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Botox for excessive sweating (Hyperhidrosis)


Botox® (OnabotulinumtoxinA) is a neurotoxin indicated for severe primary axillary hyperhidrosis, commonly called as severe underarm sweating, when other topical treatments fail.


Hyperhidrosis is a condition of excessive sweating in certain parts of the body. Axillary hyperhidrosis refers to severe sweating under the arms. Excessive sweating without any underlying medical condition is called primary hyperhidrosis. If the cause of excessive sweating is due to a medical condition, this is referred to as secondary hyperhidrosis. Hyperhidrosis is caused by overactive sweat glands where increased release of acetylcholine, a chemical from the central nervous system that directs the sweat glands to produce sweat, causes excessive perspiration. Hyperhidrosis may significantly affect the social and psychological wellbeing of an individual. It may cause physical discomfort, social embarrassment, affect occupational and daily activities, and at times may also cause social isolation.

Botox® may be a better choice for axillary hyperhidrosis. Botox blocks the nerves responsible for sweating in the underarm and prevents excessive sweating. It is recommended by the U.S. Food and Drug Administration (FDA) as well as renowned dermatologists for treatment of severe underarm sweating. The effect of each Botox treatment may last for 6–10 months.

Botox is available in 100- and 200- unit single-use vials. Your dermatologist commonly injects 50 units of Botox in 2 mL saline at 10–15 sites (0.1–0.2 mL in each) under each arm.


Botox is contraindicated in patients with hypersensitivity to any botulinum toxin and in patients with infection at the site of injection.

Adverse effects

  • Spread of toxin effects to parts of the body away from the site of injection,
  • Muscle weakness, double/blurred vision, breathing difficulties, rash,
  • Dry mouth, dizziness, pain at injection site, headache, eye problems and allergic reactions

Harley Street Medical Centre

Marina Village
Villas A18, 19, 20, 21, 22
P.O. Box: 41475
Abu Dhabi - UAE