How long does iontophoresis take to work for sweaty palms?

The hands rest in water trays during treatment while a mild current is delivered through the water. The response builds with repeated exposure rather than appearing as a single immediate change. You may first notice fewer damp marks when handling paper, tools, or a phone. Heat, stress, activity, and missed sessions can still trigger sweating. Palm skin thickness, sensitivity, and the starting severity also influence how quickly the treatment becomes useful.

Use the schedule supplied for your device or clinic and avoid adding extra sessions without guidance. Check your palms for cuts, rash, or cracked skin before treatment, because current can sting damaged areas. Follow the recommended skin protection afterward and remove rings or bracelets. Record when sweating interferes with gripping, writing, social contact, or work. This record helps the clinician decide whether settings, frequency, maintenance, or another option should be considered.

Ask for prompt treatment advice if your palms develop blistering, worsening cracks, persistent burning, swelling, or numbness. Arrange a medical review if sweating suddenly becomes generalized, occurs during sleep with other symptoms, or comes with weakness, faintness, chest discomfort, or fever. These patterns should not be attributed to palm hyperhidrosis without assessment.

When should my palm sweating start to change? How should I protect cracked skin before a session? What level of tingling is expected, and what maintenance schedule fits my daily activities?