How effective is prescription antiperspirant for pitted keratolysis?

Pitted keratolysis affects the soles and is linked with moisture, warmth, and bacteria. Reducing sweating can make the environment less favorable for the problem and may reduce odor or softening of the skin. The small pits and smell can continue if the infection is not treated, even when the feet feel drier.

A clinician may recommend an antimicrobial treatment alongside moisture control. Foot odor alone does not confirm pitted keratolysis, because fungal infection, eczema, and other causes can look or smell similar.

Apply the prescription only as directed, usually to dry, intact skin, and avoid using it on cracked or sore areas without medical advice. Keep feet dry, change socks after they become damp, rotate shoes, and allow footwear to air fully. Wash gently and dry between the toes and across the soles. Follow any prescribed antimicrobial plan for the full instructed course.

See a clinician if pits, odor, soreness, or soggy skin persists despite careful foot drying, or if the diagnosis has not been confirmed. Seek prompt care for spreading redness, warmth, swelling, drainage, fever, or difficulty walking. These signs can indicate a more extensive infection or another condition requiring examination.

Ask whether the pits are consistent with pitted keratolysis, whether you need antimicrobial treatment, how to apply antiperspirant safely, and how to reduce moisture in your shoes.