What should you know about chronic sweaty palms?

Sweating may affect both palms, begin early in life, and continue even when the room is cool or the body is at rest. Damp hands can make paper, phones, tools and steering wheels harder to handle, while frequent wiping may irritate the skin. A clinician may ask when it started, whether sleep is affected, and whether sweating occurs elsewhere.

Some people have sweating mainly in the hands without another illness. New or widespread sweating can also occur alongside problems such as an overactive thyroid, low blood sugar, sleep-related breathing problems or heat illness. The pattern and accompanying symptoms help guide assessment; sweaty palms alone do not identify a particular cause.

Keep a brief record of triggers, timing and body areas involved. Use gentle cleansing, dry the hands carefully, and consider an antiperspirant recommended by a clinician; stronger products can irritate broken skin. Treatment choices may include iontophoresis, botulinum toxin injections or microwave sweat-gland treatment, depending on the pattern, skin condition and your preferences.

Discuss any medicines or supplements before changing them, since some can alter sweating. If moisture has caused cracking, protect the skin with a bland moisturiser and seek advice about inflammation or infection.

Arrange a medical assessment if sweating is persistent, begins suddenly, affects sleep or work, or comes with weight change, tremor, faintness, confusion, fever, chest discomfort or breathlessness. Seek urgent help for heavy sweating with confusion, collapse, severe weakness or signs of overheating. A clinician can examine the skin and decide whether testing is needed.

Ask whether the pattern fits hyperhidrosis, whether a medicine or health condition could be contributing, and which option suits your daily activities. Ask how to protect irritated skin, how long to try a treatment before judging its effect, and what symptoms should prompt an earlier review.