When is prescription antiperspirant recommended for hyperhidrosis?

Hyperhidrosis is sweating beyond what the body needs for cooling. It may affect the underarms, hands, feet, face, or several areas. A prescription product usually contains a stronger sweat-reducing ingredient and is applied to dry skin according to a clinician's instructions. It may be suitable when damp clothing, slipping objects, frequent towel use, or avoidance of social situations suggests that sweating is more than an occasional nuisance.

Arrange a dermatology assessment if sweating is frequent or interfering with work, sleep, exercise, or relationships. Tell the clinician which areas are affected, when sweating began, whether it occurs during sleep, and what products have irritated or helped your skin. Use the prescribed product only as directed; applying it to wet or freshly shaved skin can increase irritation. A clinician may suggest a schedule that starts cautiously and then changes according to your response.

Seek prompt medical advice if heavy sweating starts suddenly, occurs mainly during sleep, or comes with fever, chest discomfort, faintness, unexplained weight change, or a new medication. These features can point to a cause that needs assessment rather than treatment with antiperspirant alone. Contact the prescriber if marked burning, swelling, blistering, or a persistent rash develops.

Ask whether the pattern fits hyperhidrosis, which body areas should be treated, how to protect sensitive skin, and what alternatives are available if the product does not control sweating.