Treatment of Hyperhidrosis With Oxybutynin

Inclusion Criteria: * Age greater than 18 years * Patient affiliated to social security or beneficiary of such a regime * Patient able to consent * Patient with hyperhidrosis, generalized or localized (palmar, plantar, axillary) and whose score HDSS (Hyperidrosis Disease Severity Scale) is greater than two. Exclusion Criteria: * Age less than 18 years * Patient who can't be followed * Patient participating in another clinical trial * Pregnant * Woman breastfeeding * Hypersensitivity to oxybutynin or any of the excipients * Risk of urinary retention related disorders uretroprostatiques * Intestinal obstruction * Toxic megacolon * Intestinal atony * Severe Ulcerative Colitis * Myasthenia * Closure glaucoma the anterior chamber angle or slightly deep