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What is hyperhidrosis?
Hyperhidrosis (excessive sweating) is a medical condition described as sweating (perspiring) beyond what is necessary to cool the body.  The most commonly affected areas are the hands, feet, groin, face, head, and underarms.  Hyperhidrosis can have a serious impact on self-confidence, personal relationships, and even career success.  It is estimated that around 910,000 Canadians suffer from hyperhidrosis.
How does Botox® treat hyperhidrosis?
Botox® stops sweating by blocking the transmission of signals from the nerve to the overactive sweat gland.  As the sweat gland becomes inactive, sweating completely stops in the treated area within five to seven days.  Since Botox® is applied locally there is no effect on sweat glands in other parts of the body.
What can I expect during a Botox® hyperhidrosis treatment?
A sweat test (a local application of iodine solution and cornstarch) will be done during your first visit in order to determine the severity and the exact location of the overactive sweat glands.  Subsequently, tiny injections using ultra fine needles will be placed personally by Dr. Gratton into the specific areas of excessive sweating.  An average treatment takes 30 minutes and is virtually painless in areas such as the underarms, face, or head.

Patients can resume their regular activities or return to work immediately after their treatment.
How do I prepare for a Botox® hyperhidrosis treatment?
Prior to your appointment you will be counselled to avoid certain medications for 48 hours before your treatment because they may increase your risk of bleeding and bruising.  Examples of such medications are aspirin, ibuprofen (Advil or Motrin), naproxen (Aleve), non steroidal anti-inflammatories (arthritis medications), and vitamin E.

Please wear a dark coloured shirt or blouse to your appointment if you are having your underarms treated.
Are there any post-treatment instructions?
You should avoid vigorous exercise for four hours after your treatment.
What can I expect from this treatment in the long term?
Each treatment will stop sweating for a minimum of six months so most patients can control their excessive sweating with two treatments per year.
Please call 416-485-0555 for your consultation.
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