Hyperhidrosis or excessive sweating can occur on different parts of the body for different people commonly people have problems with sweaty hands and feet in the armpit or in the groin area it can be treated quite easily with botox injected into the skin with a number of small injections across the affected area it works by blocking the nerves that supply the eccrine sweat glands stopping them from producing sweat while it doesnt cure hyperhidrosis the treatment does provide tem