Hyperhidrosis and sweaty feet

Sweat glands in the soles can respond strongly even when the body does not need extra cooling. Both feet may be affected, and moisture may increase with heat, activity, nervousness, or enclosed shoes. Persistent dampness softens the skin and can cause peeling, odour, blisters, or painful cracks. These changes can overlap with intertrigo or fungal conditions, so new scaling, colour change, or spreading irritation deserves an examination rather than a guess.

Foot sweating may occur alone or alongside sweating of the palms or underarms. A clinician may ask whether it began in childhood or later, whether it occurs during sleep, and whether a medicine or illness changed the pattern. [Excessive Sweating](/symptoms/excessive-sweating/) provides broader symptom context.

Wash gently, dry between the toes, and change socks when they become damp. Choose breathable footwear and allow shoes to dry fully before wearing them again. Avoid applying strong products to broken skin. A clinician may recommend prescription antiperspirant or iontophoresis for the soles; botulinum toxin can be discussed when local treatment is appropriate. Treating a coexisting rash or infection may be necessary before focusing only on sweat reduction.

Arrange an appointment if wet feet are causing cracks, recurrent blisters, odour that does not improve with drying, pain, or difficulty walking. Seek prompt care for spreading redness, warmth, swelling, pus, fever, or a wound that is slow to heal, especially if you have diabetes or reduced sensation. Sudden widespread sweating with faintness, chest discomfort, confusion, or breathlessness needs urgent help.

Is this foot sweating consistent with hyperhidrosis? Could the skin changes be fungal or inflammatory? Which product is safe for my skin, and would iontophoresis or another treatment suit my soles?