I. Determine the optimal dose of botulinum toxin necessary to decrease sweating in patients
with primary hyperhidrosis.
Patients receive injections of botulinum toxin in the clinical trial for 6 months. Patients
undergo an iodine starch test and a sympathetic skin response test to assess the efficacy of
the drug. Patients also complete questionnaires to evaluate the amount of sweating.
- Diagnosis of hyperhidrosis
- Excessive sweating in the hands, feet, armpits, forehead, or body