Botox for Excessive Underarm Sweating: A Long-Lasting Solution for Hyperhidrosis What Is Underarm Hyperhidrosis? Excessive underarm sweating, also known as axillary hyperhidrosis, is a common condition that affects millions of people worldwide. Unlike normal sweating, which helps regulate body temperature, hyperhidrosis causes excessive perspiration even when the body does not need cooling. For many individuals, […]