How Effective Is Botox for Underarm Sweating?

Botox treatment for underarm sweating is one of the non-surgical methods that can significantly reduce sweating in primary axillary hyperhidrosis. Botulinum toxin temporarily reduces the nerve signals reaching the sweat glands in the underarm area and suppresses sweat production in the treated region.

Underarm Botox may be considered especially in people who do not obtain sufficient benefit from antiperspirant products, develop visible wet patches on clothing, and experience social or professional difficulties because of sweating.

The treatment can substantially reduce sweating in many patients. In some people, the underarm area becomes almost completely dry, while in others sweating does not stop entirely but decreases to a level that affects daily life less.

Botox is not a permanent treatment. It does not destroy the sweat glands, cut the sympathetic nerves, or eliminate the body’s general sweating mechanism. Its effect gradually decreases, and sweating may return. For this reason, the success of underarm Botox should not be assessed only by asking, “Has sweating stopped completely?” Clothing wetness, daily comfort, social anxiety, odour, quality of life, and duration of effect should also be considered.

What Is Underarm Sweating?

Underarm sweating occurs through the activity of the sweat glands in the axillary region. Sweating under the arms during hot weather, exercise, stress, or excitement is normal.

However, axillary hyperhidrosis may be considered if underarm sweating occurs intensely even when the body does not need to cool down, causes persistent wetness on clothing, and affects daily life.

Primary axillary hyperhidrosis usually:

• • Cannot be explained by a specific disease.
  • Affects both underarms.
  • May begin during childhood, adolescence, or young adulthood.
  • Decreases or stops during sleep.
  • May worsen with stress and excitement.
  • May occur in other family members.
  • May affect clothing choices and social life.

In secondary underarm sweating, sweating may be associated with thyroid disease, low blood sugar, infection, hormonal changes, medications, or another systemic cause.

How Does Underarm Sweating Affect Daily Life?

Underarm sweating is not only a problem of physical wetness. When severe, it may affect clothing habits, work life, social relationships, and self-confidence.

People with axillary hyperhidrosis may:

• • Avoid light-coloured clothing.
  • Change clothes frequently during the day.
  • Try to hide wet patches with jackets or cardigans.
  • Avoid raising their arms.
  • Feel uncomfortable in meetings and social settings.
  • Worry about body odour.
  • Avoid photographs, presentations, or close-contact situations.
  • Feel the need to use deodorants and antiperspirants very frequently.
  • Become restricted in their choice of fabric and colour.

These effects are important when deciding on treatment. The severity of hyperhidrosis is evaluated not only by the amount of sweat produced but also by how much it affects the person’s life.

How Does Botox Reduce Underarm Sweating?

The sweat glands in the underarm area are controlled by the nervous system. A chemical substance called acetylcholine is released from nerve endings and signals the sweat glands to work.

Botulinum toxin temporarily reduces acetylcholine release in the treated area. As a result, the signal reaching the sweat glands weakens and the amount of sweat produced in the underarm area decreases.

Botox:

• • Does not permanently destroy the sweat glands.
  • Does not cut the underarm skin.
  • Does not permanently stop the sympathetic nerves.
  • Does not prevent sweating throughout the body.
  • Works only in the area where it is injected.
  • Allows sweating to return as its effect wears off.

Underarm Botox is therefore considered a temporary but effective local treatment.

How Effective Is Underarm Botox?

Underarm Botox can significantly reduce sweat production in appropriately selected patients with primary axillary hyperhidrosis.

Clinical studies have reported a marked decrease in sweat production, improvement in hyperhidrosis severity scores, and better quality of life after botulinum toxin treatment.

After effective treatment, patients may usually notice changes such as:

• • Less wetness on clothing
  • Reduced need to change clothes during the day
  • Less need to constantly check the underarm area
  • Greater comfort wearing light-coloured or thin fabrics
  • Easier movement of the arms in social situations
  • Reduced concern about body odour
  • Greater comfort at work, school, and in social life
  • Reduced need for antiperspirant use

The effect varies from person to person. In some people, the underarm area becomes noticeably dry, while in others only partial reduction occurs. Botox should therefore not be seen as a method that guarantees the same result in every patient.

By What Percentage Does Botox Reduce Underarm Sweating?

Studies have reported high rates of sweat reduction after underarm Botox. In suitable patients, sweat production may decrease by approximately 80% or more.

However, this percentage does not apply identically to every patient. Results may vary according to:

• • Initial severity of sweating
  • Size of the sweating area
  • Botulinum toxin product used
  • Dose applied
  • Distribution of injection points
  • Accurate identification of the treatment area
  • Individual patient response
  • Previous treatments
  • Presence or absence of secondary causes

For this reason, the question “What percentage effective is it?” should not be answered with a single fixed number. Clinically, the important point is whether the patient experiences meaningful relief in daily life.

Does Underarm Botox Stop Sweating Completely?

Underarm Botox may almost completely stop sweating in some people. In others, sweating does not disappear entirely but decreases significantly.

The purpose of treatment is not to eliminate the body’s natural sweating mechanism completely. The aim is to reduce excessive and uncontrollable underarm sweating to a level that no longer interferes with daily life.

A completely dry underarm is not required for a successful result. Not experiencing clothing wetness, needing less deodorant, feeling more comfortable with clothing choices, and feeling more confident in social situations may also be considered treatment success.

When Does Underarm Botox Begin to Work?

The effect of botulinum toxin does not begin fully at the moment of injection.

A reduction in underarm sweating may usually begin within the first few days. In most people, the effect becomes more noticeable within 7 to 10 days. In some patients, full assessment of the effect may take approximately two weeks.

Continued sweating during the first few days does not mean that treatment has failed.

If sweating continues in specific areas after two weeks:

• • There may be untreated gaps in the treatment area.
  • The sweating area may not have been fully identified at the beginning.
  • The dose may have been insufficient.
  • Sweating may be related to another cause.
  • More time may be needed before assessment.

The doctor should decide whether an additional application is necessary.

How Long Does Underarm Botox Last?

The effect of underarm Botox is not permanent. Duration varies from person to person but generally lasts several months.

In many patients, the effect of underarm Botox may last approximately 3 to 10 months. In some people, the effect may be shorter, while in others it may last longer.

Factors that may affect duration include:

• • Botulinum toxin product used
  • Dose applied
  • Size of the sweating area
  • Severity of sweating
  • Distribution of injections
  • The patient’s metabolic and nervous system response
  • Response to previous treatments
  • Injection technique

Sweating usually does not return to its previous level suddenly. As the effect of the medication decreases, nerve stimulation reaching the sweat glands gradually increases and sweating may slowly return.

How Often Is Underarm Botox Repeated?

There is no fixed repeat interval that applies to everyone.

Treatment may usually be repeated when:

• • The effect has clearly decreased
  • Sweating begins to affect daily life again
  • Enough time has passed since the previous treatment
  • The doctor considers repeat treatment appropriate

Repeating the procedure unnecessarily early while the effect is still active is not appropriate. The timing is determined according to the patient’s response.

Some people may remain comfortable for a long period with one treatment per year. Others may need evaluation at shorter intervals.

In Whom Is Underarm Botox More Effective?

Underarm Botox generally provides the best results in patients with features of primary axillary hyperhidrosis.

A better response may be seen when:

• • Sweating is concentrated locally in the underarm area
  • Sweating is bilateral and symmetrical
  • Sweating clearly decreases during sleep
  • Sweating began during childhood or young adulthood
  • There is no underlying systemic disease
  • The sweating area has been correctly identified
  • The injections fully cover the active sweating area
  • An appropriate dose and product have been used
  • The patient realistically accepts the temporary effect

Underarm Botox is not an ideal treatment for widespread sweating affecting the entire body. In generalised sweating, secondary causes should first be investigated.

In Whom May Underarm Botox Be Less Effective?

In some people, Botox may not produce as strong or long-lasting an effect as expected.

A more limited response may occur when:

• • The sweating area is very large
  • The injections do not cover the entire active area
  • The dose is insufficient
  • Sweating is due to a secondary cause
  • The patient performs intense physical activity
  • The patient works in a hot environment
  • Sweating is widespread rather than limited to the underarms
  • Previous treatments have had a short duration of effect
  • The injection technique is not appropriate

If the effect seems insufficient, treatment should not immediately be considered a failure. The treatment area, dose, diagnosis, and injection technique should be reassessed.

Does Underarm Botox Reduce Bad Odour?

Underarm Botox is not directly an odour treatment. However, because it reduces sweat production, it may help decrease moisture under the arms and indirectly reduce bad odour.

Sweat itself often does not have a strong smell. Odour develops when sweat interacts with bacteria on the skin.

After Botox:

• • The underarm area may remain drier.
  • Bacterial growth in a moist environment may decrease.
  • Sweat odour on clothing may become less noticeable.
  • The need for deodorant may decrease.

However, Botox alone may not be sufficient if bad odour is related to:

• • Bacterial overgrowth
  • Fungal infection
  • Skin conditions
  • Products being used
  • Clothing fabric
  • Diet
  • Hormonal or metabolic conditions

Does Underarm Botox Reduce Clothing Wetness?

Yes. One of the most noticeable benefits of underarm Botox is reduction in wet patches and sweat marks on clothing.

When treatment is effective, the person may:

• • Change clothes less often during the day.
  • Wear light-coloured clothing more comfortably.
  • Feel less anxious when raising their arms.
  • Feel less need to hide sweat marks with jackets or cardigans.
  • Feel more comfortable at work and in social situations.

Clothing wetness may decrease but not always disappear completely. Normal sweating may continue, especially in very hot weather or during intense exercise.

Does Underarm Botox Destroy the Sweat Glands?

No. Botulinum toxin does not destroy the sweat glands.

Botox temporarily reduces the nerve signals reaching the sweat glands. As the effect of the medication wears off, nerve endings may release acetylcholine again and the sweat glands may resume activity.

Treatments that permanently target the sweat glands work differently. Microwave thermolysis and certain surgical or energy-based methods aim to create a more permanent effect on the sweat glands.

The temporary nature of Botox may seem like a disadvantage, but some patients prefer it because it is a non-surgical, reversible, and local option.

Does Underarm Botox Disrupt Body Temperature Regulation?

Sweat glands in the underarm area make up only a small portion of the body’s total sweat glands. Reducing sweating only in the underarms therefore usually does not eliminate the body’s overall ability to regulate temperature.

Sweat glands in other areas of the body continue to function.

However, the following people should discuss their situation with their doctor before treatment:

• • Those who work in very hot environments
  • Those who perform heavy exercise
  • Those receiving botulinum toxin in large areas at the same time
  • Those prone to heat-related illness

Underarm Botox does not stop sweating throughout the body. However, as with every treatment, lifestyle and general health should be assessed.

Does Sweating Increase Elsewhere After Underarm Botox?

Botox does not cut sympathetic nerve pathways in the way endoscopic thoracic sympathetic surgery does. For this reason, the classic compensatory sweating seen after surgery is not an expected main side effect of Botox.

However, once the underarm area becomes dry, the person may become more aware of normal sweating in other body areas. This does not always mean that sweating has truly increased.

If significant and uncomfortable sweating begins after Botox in areas such as the trunk, back, face, or groin, the situation should be reassessed. Sometimes an underlying cause or previously unnoticed generalised sweating becomes more apparent during this period.

How Is Underarm Botox Applied?

Underarm Botox is applied by injecting botulinum toxin in small doses into the underarm skin.

The procedure may generally involve the following steps:

• • The patient’s medical history is reviewed.
  • It is assessed whether the sweating is primary or secondary.
  • The underarm area is examined.
  • If necessary, the active sweating area is identified using an iodine-starch test.
  • The treatment area is marked.
  • The skin is cleaned with an antiseptic solution.
  • Pain-reducing methods are used when necessary.
  • Botulinum toxin is injected into or just beneath the skin using fine needles.
  • The injections are distributed at intervals to cover the sweating area.
  • The patient is observed briefly after the procedure.

Underarm Botox usually does not require hospital admission. The person can generally return to daily life on the same day.

Does the Iodine-Starch Test Improve Effectiveness?

The iodine-starch test is not a medication that directly increases the effect of treatment. However, it may help show the active sweating area more clearly.

During the test, sweating areas become darker. This allows the doctor to plan injection points according to the areas where sweating is most intense.

The iodine-starch test may be particularly useful when:

• • The sweating area is not clearly visible
  • The patient has had an incomplete response to Botox before
  • The sweating area is wide or irregular
  • A comparison will be made after treatment

Correct identification of the treatment area may contribute to a more even result.

Is Underarm Botox Painful?

Underarm Botox is tolerated by most people. Compared with the palms and soles, the underarm area is a less painful injection site.

Multiple small injections are made during the procedure. The level of discomfort may vary according to:

• • The person’s pain threshold
  • The fineness of the needle
  • Number of injections
  • Volume of the medication
  • Injection technique
  • Whether pain-reducing methods are used

Cold application, topical anaesthetic cream, or vibration may be used to reduce discomfort. General anaesthesia is not required in most patients.

Are Blood Tests Required Before Underarm Botox?

Extensive blood testing may not be required in otherwise healthy people with typical features of primary axillary hyperhidrosis solely because Botox is planned.

However, evaluation for secondary causes may be needed if sweating:

• • Began suddenly
  • Appeared for the first time at an older age
  • Continues at night
  • Affects the entire body
  • Is accompanied by fever or weight loss
  • Occurs with palpitations, trembling, or weakness
  • Began after starting a new medication

Depending on the patient’s symptoms, tests may include:

• • Complete blood count
  • Blood glucose
  • HbA1c
  • TSH and free T4
  • CRP or sedimentation rate
  • Kidney and liver function tests
  • Tests for infection

Not every patient needs all of these tests. Investigations are selected according to the medical history.

What Should Be Considered Before Underarm Botox?

Before the procedure, the patient’s health status and medications should be assessed.

The doctor should be informed about:

• • All medications being used
  • Blood-thinning medications
  • Muscle relaxants
  • Medications affecting nerve-muscle transmission
  • Previous botulinum toxin treatments
  • Whether any side effects occurred after previous Botox treatment
  • Muscle or nerve diseases
  • Bleeding disorders
  • Skin infection in the injection area
  • Pregnancy or breastfeeding
  • Allergy history
  • Wounds, irritation, or active dermatitis in the underarm area

Blood-thinning medications should not be stopped without medical advice solely to reduce the risk of bruising.

What Should Be Considered After Underarm Botox?

The doctor’s post-procedure instructions should be followed.

In general:

• • The underarm area should not be rubbed vigorously.
  • Strong pressure should not be applied to the injection sites.
  • The doctor’s advice regarding intense exercise on the same day should be followed.
  • Instructions about very hot showers, saunas, or steam rooms should be followed.
  • The recommended waiting period before using irritating deodorants or antiperspirants should be observed.
  • Redness, tenderness, or bruising at injection sites should be monitored.
  • A doctor should be contacted if increasing pain, discharge, or signs of infection develop.

Because the underarm area moves frequently and is exposed to friction, post-procedure care is important.

Can Deodorant Be Used After Underarm Botox?

When deodorant or antiperspirant use can be restarted after underarm Botox should be determined according to the treating doctor’s recommendation.

Immediately after the procedure, it may be necessary to avoid perfumed, alcohol-containing, or irritating products to prevent irritation of the injection sites.

Some people notice that they need less deodorant once sweating decreases. However, Botox is not directly an odour treatment. If odour continues, skin hygiene, product selection, and bacterial causes should be assessed separately.

Can You Exercise After Underarm Botox?

Intense exercise may increase body temperature and blood circulation. Heavy exercise may therefore be discouraged on the day of the procedure.

Light daily activities are usually not a problem for most people. However, the doctor’s recommended waiting period should be followed for:

• • Weight training
  • Intense running
  • Exercise after sauna use
  • Exercise in very hot environments
  • Activities causing heavy friction in the underarm area

Return to normal activity depends on the sensitivity of the treatment area and the patient’s general condition.

What Are the Side Effects of Underarm Botox?

Underarm Botox is generally well tolerated. However, as with any injection procedure, some side effects may occur.

Possible side effects include:

• • Injection-site pain
  • Tenderness
  • Redness
  • Swelling
  • Bruising
  • Mild itching
  • Headache
  • Temporary muscle pain
  • Discomfort in the arm or shoulder area
  • Infection
  • Insufficient treatment effect
  • Earlier-than-expected return of sweating

Most of these effects are mild and temporary.

Increasing redness, warmth, discharge, or severe pain at the injection site may require evaluation for infection.

Does Underarm Botox Weaken the Arm Muscles?

The risk of significant muscle weakness is lower with underarm Botox than with hand Botox. This is because the injection is placed into or just beneath the skin and the target is the sweat glands.

However, temporary tenderness in nearby tissues or discomfort with shoulder or arm movements may occur.

The doctor should be contacted if unexpected arm weakness, generalised muscle weakness, or movement limitation develops.

Can Botulinum Toxin Spread to Other Parts of the Body?

Product information for botulinum toxin includes serious warnings about the possible spread of toxin effects beyond the injection area.

Although serious systemic spread is very rare after hyperhidrosis treatment at appropriate doses, urgent medical assessment is required if the following symptoms develop:

• • Generalised muscle weakness
  • Double vision
  • Significant eyelid drooping
  • Difficulty speaking
  • Difficulty swallowing
  • Difficulty breathing
  • Voice changes
  • Significant weakness of the neck muscles

These symptoms may appear hours or days after treatment.

For safety, the procedure should be performed in a medical setting using approved products by physicians experienced in botulinum toxin treatment.

Who Should Not Receive Underarm Botox?

Botulinum toxin may not be suitable for some people.

Treatment may not be performed in the following situations:

• • Known allergy to botulinum toxin or product ingredients
  • Previous serious allergic reaction to botulinum toxin
  • Active infection in the underarm area
  • Open wound in the injection area
  • Severe skin irritation or active dermatitis
  • Certain muscle and nerve diseases that make treatment unsafe
  • Inability or unwillingness to accept the temporary effect or possible risks

Some situations may not be absolute barriers but require detailed assessment.

When Is More Careful Evaluation Needed?

The doctor should be informed before treatment if any of the following are present:

• • Muscle-nerve diseases such as myasthenia gravis
  • ALS or another neuromuscular disease
  • Swallowing or breathing difficulty
  • Bleeding disorder
  • Use of blood-thinning medication
  • Use of aminoglycoside antibiotics
  • Use of muscle relaxants
  • Recent botulinum toxin treatment in another area
  • Pregnancy or breastfeeding
  • Previous surgery in the underarm area
  • Active infection or wound in the underarm area
  • Unexpected side effects after previous Botox treatment

This information is important for dose, timing, and treatment safety.

Is Underarm Botox Used During Pregnancy and Breastfeeding?

Safety data regarding botulinum toxin use for hyperhidrosis during pregnancy and breastfeeding are limited.

Because underarm sweating is generally not an emergency condition, treatment is usually postponed during pregnancy.

During breastfeeding, the decision should be based on:

• • Severity of sweating
  • Alternative treatments
  • Product to be used
  • Treatment area
  • General health status

Anyone who may be pregnant or is breastfeeding should inform their doctor before the procedure.

Is Underarm Botox Used in Children and Adolescents?

Underarm hyperhidrosis may become noticeable during adolescence and affect school life.

The age limit and approval status of botulinum toxin for hyperhidrosis vary according to the product and country.

In children and adolescents, the following should first be assessed:

• • Whether sweating is primary or secondary
  • Whether topical treatments have helped
  • How much quality of life is affected
  • Pain caused by the procedure
  • Need for repeat treatment
  • Expectations of the patient and family

Treatment decisions in children and adolescents should be made by physicians experienced in hyperhidrosis.

Is Underarm Botox Permanent?

No. Underarm Botox is not permanent.

Botulinum toxin temporarily reduces acetylcholine release from nerve endings. Over time, nerve-to-sweat gland communication becomes stronger again and sweating returns.

Different treatments may be considered for patients seeking permanent or longer-lasting results. However, more permanent methods also have their own risks, costs, and patient selection requirements.

Although temporary effect may seem like a disadvantage for some patients, others may prefer Botox because it is reversible and non-surgical.

Is Repeated Underarm Botox Harmful?

Repeated botulinum toxin treatments may be used in many patients when applied at appropriate intervals and doses.

However, each repeat treatment should reassess:

• • How long the previous effect lasted
  • Whether side effects occurred
  • Whether the sweating area has changed
  • Whether a new health issue is present
  • Product and dose used
  • Patient expectations

Unnecessarily early and uncontrolled repeat applications are not appropriate.

Rarely, an immune response against botulinum toxin may develop and reduce treatment effect. If the duration of effect becomes noticeably shorter, the cause should be evaluated by the doctor.

What Happens If Underarm Botox Fails?

If the expected response is not achieved after underarm Botox, the cause should first be investigated.

Possible reasons include:

• • Incomplete identification of the treatment area
  • Injections not fully covering the active sweating area
  • Insufficient dose
  • Sweating caused by a secondary condition
  • Improper preparation or storage of the medication
  • Dose mismatch between different botulinum toxin products
  • Assessing the result too early
  • Unrealistic patient expectations

If sweating continues in a small area, additional treatment may be considered.

If the overall response is insufficient, the following may be reassessed:

• • Topical antiperspirants
  • Prescription underarm wipes or gels
  • Microwave thermolysis
  • Oral medications
  • Other non-surgical local methods
  • Surgical options in selected patients

What Is the Difference Between Underarm Botox and Antiperspirants?

Antiperspirants are applied to the skin surface and temporarily block sweat ducts, reducing the amount of sweat reaching the skin.

Botulinum toxin is injected and temporarily reduces the nerve signals reaching the sweat glands.

Antiperspirants:

• • Can be used at home.
  • May be among first-line treatments.
  • Require regular use.
  • May cause skin irritation.
  • May be sufficient for mild and moderate sweating.

Underarm Botox:

• • Is performed in a medical setting.
  • Requires injections.
  • May remain effective for several months.
  • Is more costly.
  • May provide a more noticeable reduction in sweating.
  • Has a temporary effect and may need repetition.

Botox is usually considered when topical products do not provide sufficient benefit.

What Is the Difference Between Underarm Botox and Prescription Wipes or Gels?

Some prescription topical anticholinergic wipes or gels may be used for underarm hyperhidrosis. These products are applied to the skin to reduce sweat gland activity.

Topical medications:

• • Can be applied at home.
  • May require daily or regular use.
  • May cause skin irritation.
  • May cause side effects such as dry mouth, pupil dilation, or blurred vision.
  • May cause temporary visual problems if transferred from the hands to the eyes.

Botulinum toxin:

• • Is injected by a doctor.
  • Does not require daily application.
  • May remain effective for several months.
  • May cause injection pain and bruising.
  • Has a local and temporary effect.

The most suitable method depends on sweating severity, skin tolerance, patient adherence, and previous treatments.

What Is the Difference Between Underarm Botox and Microwave Thermolysis?

Microwave thermolysis is a treatment that targets sweat glands in the underarm area using heat energy.

Microwave thermolysis:

• • Aims to create a more permanent effect on sweat glands.
  • May be performed in one or several sessions.
  • May require local anaesthesia.
  • May cause swelling, tenderness, bruising, and numbness.
  • Rarely, longer-lasting nerve pain may occur.
  • May be costly.

Botulinum toxin:

• • Does not destroy sweat glands.
  • Temporarily reduces nerve stimulation.
  • Provides a shorter-term but reversible effect.
  • May require repeat treatment.
  • Is usually performed with more superficial injections.

Microwave thermolysis may be considered for patients seeking a near-permanent effect. However, it is not the most suitable option for every patient.

What Is the Difference Between Underarm Botox and Surgery?

Some surgical or surgery-adjacent methods for underarm sweating aim to remove, scrape, or damage the sweat glands. Endoscopic thoracic sympathetic surgery targets the sympathetic nerve pathways.

Botox:

• • Is non-surgical.
  • Does not require general anaesthesia.
  • Does not destroy the sweat glands.
  • Has a temporary effect.
  • Can be repeated.
  • Is not expected to carry the classic risk of compensatory sweating.

Surgical methods:

• • May aim for a more permanent result.
  • May require a recovery period.
  • Carry risks such as bleeding, infection, scarring, and pain.
  • May involve compensatory sweating risk when the nervous system is treated.
  • May not always be reversible.

Surgery should not be chosen hastily only because Botox is temporary. Sweating severity, response to other treatments, expectations, and risks should be evaluated together.

If Botox Is Effective, Is Surgery Necessary?

Many patients who obtain sufficient benefit from underarm Botox and accept repeat treatment may not need surgery.

However, some people may:

• • Prefer not to have a temporary treatment.
  • Not want to repeat the procedure regularly.
  • Be unable to sustain the cost.
  • Find the duration of effect too short.
  • Not obtain sufficient response from Botox.
  • Want to explore more permanent methods.

Other treatment options may then be considered.

If Botox is effective, surgery may not be necessary. However, if Botox is ineffective, this does not automatically mean that surgery must be performed.

Is Underarm Botox Safe?

With appropriate patient selection, the correct product, suitable dose, proper injection technique, and application in a medical setting, underarm Botox can generally be a safe treatment.

Safety is influenced by:

• • Use of an approved botulinum toxin product
  • Proper storage of the product
  • Correct dose selection
  • Injection at the correct depth
  • Accurate identification of the active sweating area
  • Experience of the treating physician
  • Knowledge of the patient’s medication and disease history
  • Avoidance of counterfeit or unknown products

Botox should not be treated as a simple cosmetic procedure. It is a prescription medication administered by injection.

Which Doctor Performs Underarm Botox?

Underarm Botox should be performed by physicians experienced in diagnosing hyperhidrosis and administering botulinum toxin.

The initial assessment may be performed by:

• • Dermatology
  • Family medicine
  • Internal medicine

Botulinum toxin treatment is commonly performed by dermatologists.

If surgical treatment is being considered for primary hyperhidrosis, the patient may be evaluated by a thoracic surgeon.

When Should You See a Doctor for Underarm Botox?

Medical evaluation may be appropriate when:

• • Underarm sweating affects daily life
  • Persistent wetness appears on clothing
  • Antiperspirant products are insufficient
  • Topical products cannot be used because of skin irritation
  • Moisture and odour affect social life
  • Sweating makes work or school life difficult
  • Sweating begins suddenly
  • Night sweats are present
  • Sweating occurs throughout the body
  • Palpitations, weight loss, fever, or trembling are present
  • A previous Botox treatment did not produce the expected effect

When sweating begins suddenly, continues at night, or occurs with systemic symptoms, underlying causes should be evaluated before Botox treatment.

Conclusion

Botox treatment for underarm sweating is a non-surgical method that can provide strong improvement in primary axillary hyperhidrosis. It temporarily reduces nerve stimulation reaching the sweat glands and suppresses sweat production in the treated underarm area.

In suitable patients, clothing wetness, the need to hide the underarms, deodorant use, and social anxiety may decrease significantly. However, the treatment does not produce the same result in every patient and does not always stop sweating completely.

The effect usually begins during the first few days, becomes more noticeable within 7 to 10 days, and continues for several months in most people. As the effect decreases, sweating may return gradually, and repeat treatment may be performed in suitable patients.

Underarm Botox does not permanently destroy the sweat glands. It is therefore not a permanent treatment. However, it may be considered a non-surgical, local, reversible, and generally well-tolerated option.

Side effects are usually limited to injection-site pain, bruising, tenderness, and temporary discomfort. Serious systemic side effects are rare, but urgent medical evaluation is required if symptoms such as difficulty swallowing, speaking, or breathing occur.

Before treatment, it should be determined whether sweating is primary or secondary. Necessary evaluation should be performed for thyroid disease, blood glucose abnormalities, infection, medication use, or hormonal causes.

For the best outcome, treatment should be planned individually according to the patient’s sweating area, severity, previous treatments, expectations, and general health.

Frequently Asked Questions About Botox Treatment for Underarm Sweating

1. Is Underarm Botox Really Effective?

Yes. In suitable patients, underarm Botox can significantly reduce sweating. Clothing wetness, sweat marks, and social discomfort often decrease. However, the effect varies from person to person.

2. Does Underarm Botox Stop Sweating Completely?

In some people, the underarm area may become almost completely dry. In others, sweating does not stop completely but decreases to a level that no longer affects daily life.

3. When Does Underarm Botox Begin to Work?

A reduction in sweating may begin within the first few days. In most people, the effect becomes more noticeable within 7 to 10 days. Full assessment may take approximately two weeks.

4. How Long Does Underarm Botox Last?

The effect varies between individuals but may generally continue for 3 to 10 months. Treatment may be repeated in suitable patients when sweating returns.

5. Does Underarm Botox Reduce Odour?

Botox is not directly an odour treatment. However, because it reduces sweat production, it may reduce underarm moisture and odour related to sweating. If odour continues, other causes should be assessed.

6. Is Underarm Botox Painful?

Underarm Botox is tolerated by most people. Fine needles are used. When necessary, cold application or topical anaesthetic products may reduce discomfort.

7. Does Sweating Increase Elsewhere After Underarm Botox?

Botox does not cut the sympathetic nerves, so classic compensatory sweating seen after surgery is not an expected main side effect. Normal sweating continues in untreated areas.

8. Is Underarm Botox Permanent?

No. The effect of Botox is temporary. The sweat glands are not destroyed. As the effect wears off, nerve-to-sweat gland communication becomes stronger again and sweating may return.

9. Is Underarm Botox More Effective Than Antiperspirants?

Antiperspirants may be sufficient for mild and moderate sweating. In severe primary underarm sweating, especially when topical products are insufficient, Botox may provide a more noticeable and longer-lasting reduction.

10. Which Doctor Performs Underarm Botox?

The procedure should be performed by a doctor experienced in hyperhidrosis and botulinum toxin. Underarm Botox is commonly performed by dermatologists. Surgical options, when needed, may be evaluated by a thoracic surgeon.