Axillary Hyperhidrosis Treatment

4,000+ Hyperhidrosis Surgeries Performed

30+ Years of Specialized Experience

By Dr. Lyall Gorenstein, MD

Sweating through a shirt before the workday begins can change what you wear, how you move, and whether you feel comfortable around other people. When underarm sweating regularly exceeds what your body needs for cooling, it may be axillary hyperhidrosis — a recognized medical condition, not simply a cosmetic concern.

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Axillary hyperhidrosis is highly treatable through a range of options including prescription-strength antiperspirants, topical and oral medication, Botox® injections, and miraDry®, an in-office procedure that uses microwave energy to reduce underarm sweat glands. The right treatment depends on your symptoms, what you’ve already tried, and whether you prefer a daily treatment or a procedure. The Center for Hyperhidrosis at Columbia University Medical Center offers the full range of options and can help identify the best approach for you.

What Is Axillary Hyperhidrosis?

Axillary hyperhidrosis is excessive sweating of the underarms that occurs independent of heat or physical activity, affecting an estimated 1–3% of the population. Consider an evaluation if your underarms repeatedly soak through clothing, sweating happens while you’re resting in a cool room, or you avoid activities because of wetness — you don’t need to measure the amount of sweat to explain how much it affects you.

Wet patches that appear before a meeting has started. Clothing choices dictated by what hides sweat. The low-level, constant awareness of whether people can see or smell it. These are daily realities that affect confidence and professional life, and they’re treatable.

What Causes Excessive Underarm Sweating?

1. Primary Axillary Hyperhidrosis

In primary hyperhidrosis — the most common type, and the type that usually affects both underarms — the sympathetic nervous system sends overactive signals to the sweat glands in the underarm, causing them to produce more sweat than the body needs for temperature regulation. There is no underlying medical cause; the nervous system is overactive in this specific area.

2. Secondary Axillary Hyperhidrosis

Secondary hyperhidrosis is associated with an underlying condition or medication — such as thyroid dysfunction, menopause, or diabetes. It often causes sweating across the entire body rather than one area, and can occur during sleep. New sweating, night sweating, or a substantial change in your usual pattern should be discussed during your evaluation, since it may point to a cause that needs its own attention.

How Is Axillary Hyperhidrosis Diagnosed?

Diagnosis begins with a clinical evaluation. Our team — which includes both board-certified dermatologists and a thoracic surgeon — will review your medical history, the pattern and severity of your sweating, and any treatments you’ve already tried.

The Minor Iodine-Starch Test is sometimes used to map the distribution of sweating: iodine is applied to the underarm, followed by starch powder, which turns dark blue or purple in areas of active sweat production. This helps define the treatment zone precisely, particularly for miraDry® or Botox® injections.

Severity may also be assessed using the Hyperhidrosis Disease Severity Scale (HDSS), a tool that rates how much hyperhidrosis affects daily activities.

Underarm Sweating Treatment Options

We approach axillary hyperhidrosis treatment in a stepwise fashion: starting with the least invasive options and progressing based on your needs, preferences, and response to treatment.

Step 1: Antiperspirants

Best for: Mild to moderate axillary hyperhidrosis as a first-line intervention.

An antiperspirant reduces wetness; a deodorant primarily addresses odor — check the active ingredient, since “clinical strength” doesn’t necessarily mean prescription-only. For many patients, a prescription-strength antiperspirant with a higher concentration of aluminum-based compounds is the most appropriate first step when an over-the-counter product hasn’t provided enough control.

They’re applied at night to dry underarm skin and washed off in the morning. Initial irritation is common but usually resolves. Correct application and skin tolerance matter as much as the product’s strength.

Antiperspirants for hyperhidrosis

Step 2: Topical & Oral Medication

Best for: Underarm sweating not fully controlled by antiperspirants, or sweating affecting more than one area.

Sofdra gel and Qbrexza medicated cloths are FDA-approved topical options for primary axillary hyperhidrosis in people ages 9 and older, often considered after antiperspirants haven’t been enough. Oral anticholinergics such as glycopyrrolate and oxybutynin may be considered when sweating affects several body areas; their use for hyperhidrosis is off-label.

Side effects — including dry mouth, blurred vision, and urinary changes — limit use for some patients, and should be discussed with your prescriber before starting.

Hyperhidrosis medication

Step 3: Botox® Injections

Best for: Patients seeking significant, reliable relief without a permanent procedure. Often considered for moderate to severe sweating, or when topical medicines haven’t adequately controlled symptoms.

Botox® is FDA-approved for severe primary axillary hyperhidrosis in adults. It’s injected in a fine grid across the underarm — the labeled dose is 50 units per underarm, and a topical numbing cream is typically applied beforehand. The procedure takes about 15–30 minutes in the office.

Relief lasts for months, with timing varying by person, and repeat treatment is needed as the effect wears off. Injection discomfort and bruising can occur. Botox does not carry the compensatory-sweating risk associated with surgical options.

Botox® for Hyperhidrosis

Step 4: miraDry®

Best for: Patients seeking a lasting, non-surgical reduction in underarm sweating.

miraDry® uses microwave energy to destroy sweat and odor glands in the underarm treatment area, with local anesthetic used during the procedure. Because treated glands are destroyed, the reduction can be lasting — though results vary and additional treatment may sometimes be needed. miraDry does not carry a risk of compensatory sweating, which distinguishes it from surgical options.

Swelling, tenderness, and altered sensation can occur after treatment. Less common complications, including nerve injury, should be discussed with your treating clinician. miraDry is an underarm treatment and isn’t a treatment for facial, hand, or whole-body sweating.

miraDry® Treatment NYC

How to Choose the Right Treatment

The right axillary hyperhidrosis treatment depends on several factors that our team evaluates together with you during your consultation:

  • Severity of sweating: Mild sweating may respond well to antiperspirants, while moderate to severe sweating more often calls for medication, Botox®, or miraDry®.
  • Preference for a lasting solution vs. a reversible one: Botox® is temporary and requires repeat injections to maintain its effect; miraDry® aims for a lasting reduction by destroying treated sweat glands, with a different recovery experience. Neither is right for everyone.
  • Lifestyle and downtime considerations: miraDry® typically involves 1–2 days of mild swelling and tenderness, while Botox® involves essentially no downtime.
  • Previous treatment history: Discuss what you’ve already tried and for how long — including anything that helped or caused side effects.
  • Insurance coverage and cost: Coverage varies by plan and treatment. Our team can help you prepare questions and understand your options before committing to a plan.

A consultation should leave you clear about expected benefit, limitations, side effects, and follow-up — not committed to any one option before you’re ready.

Cost and Insurance

The total cost depends on the treatment and whether repeat sessions are needed. Coverage varies by plan and may require documentation of symptoms and previous treatment. Use our cost and insurance guide to prepare questions, then request an estimate for your recommended care.

Cost & Insurance Guide

Why Choose the Center for Hyperhidrosis at Columbia?

The Center for Hyperhidrosis at Columbia University Medical Center has been dedicated to the evaluation and treatment of hyperhidrosis for more than three decades. We are one of a small number of centers in the country that offers every available treatment option, allowing us to recommend the approach that’s best for each patient — not simply the treatments available within a single practice.

  • Multidisciplinary expertise: Every patient is evaluated by board-certified dermatologists and an experienced thoracic surgeon.
  • Extensive miraDry® experience: Among the first centers in the New York metropolitan area to offer miraDry®.
  • Surgical expertise: The Center for Hyperhidrosis has performed more than 4,000 ETS procedures.
  • Convenient locations: Manhattan (Columbia University Medical Center), Englewood, NJ, and Pomona, NY.

Frequently Asked Questions: Axillary Hyperhidrosis Treatment

Axillary hyperhidrosis is a recognized medical condition, not simply a cosmetic concern. It’s caused by overactivity in the sympathetic nervous system and has measurable impacts on quality of life. The condition has a medical ICD-10 code (L74.5) and is diagnosable and treatable through established medical interventions.

The key distinguishing feature of hyperhidrosis is that sweating occurs independent of heat, exercise, or anxiety — it’s persistent, unpredictable, and often affects daily activities and clothing choices. If your sweating is affecting your quality of life beyond what normal sweating would, it’s worth a clinical evaluation.

Deodorant addresses odor and may not contain an antiperspirant. Check the label. Persistent wetness despite using an antiperspirant may be a reason to review how you’re applying it, or to discuss another treatment.

Hyperhidrosis is not a measure of cleanliness. Washing can help manage odor and skin comfort, but it doesn’t correct the excessive sweat production itself.

Botox® and miraDry® are directed at the underarm and haven’t been shown to cause compensatory sweating. ETS, which interrupts sympathetic nerve signals and is primarily used for hand sweating, carries a higher risk of compensatory sweating when targeted at the axillary level — which is why it’s generally not the preferred first-line treatment for isolated underarm sweating.

Most patients see meaningful improvement with a single miraDry® session. A second session can further optimize results, and some patients choose this option. Our team will assess your response after the first treatment and advise accordingly.

Relief typically lasts for months, with timing varying by person, and repeat treatment is needed as the effect wears off. A topical numbing cream is applied beforehand; most patients describe the discomfort as mild, though injection-site bruising can occur.

Coverage depends on your insurance provider and specific plan. Prescription antiperspirants and Botox® are covered by many plans when conservative treatments have been documented and tried; miraDry® coverage is less consistent. Our team can help you review your benefits and prepare documentation before treatment.

Some procedures, such as miraDry®, destroy sweat glands and can provide a lasting reduction. That doesn’t guarantee complete dryness, and results vary. Daily medicines and Botox® generally require ongoing or repeat treatment.

 

Get Help for Sweating That Interrupts Your Day

You don’t have to choose a procedure before asking for help. Request a consultation to discuss your symptoms, previous treatments, and options at the Center for Hyperhidrosis at Columbia University Medical Center.

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