Athlete’s foot and sweaty feet

Moisture control can reduce the conditions fungi favour, while an established fungal rash may also need antifungal treatment.

Sweat held against the feet by socks and closed shoes softens the outer skin, particularly between the toes. This warm, humid setting allows fungi to persist and makes friction more likely. Athlete’s foot may present with itching, burning, cracks, pale soggy skin or scale; excessive sweating without those changes can have a different cause.

Odour comes from microorganisms breaking down sweat and skin material. It does not, on its own, confirm a fungal infection.

Dry between the toes after washing, put on clean socks when the current pair becomes damp, and alternate shoes to let each pair air fully. Choose breathable footwear when practical and wear sandals in communal wet areas. Wash socks according to their care instructions and do not share footwear or towels.

Apply any recommended antifungal to clean, dry skin for the full labelled course. Foot powder or an antiperspirant designed for feet may help manage moisture, but avoid products on broken or severely irritated skin unless a clinician says they are suitable.

See a healthcare professional when the rash continues despite correctly used treatment, repeatedly returns, spreads to the nails, or the sweating is new and difficult to control. Assessment can distinguish fungal disease from eczema, bacterial overgrowth and other causes of damp, irritated skin.

Seek urgent help for fever, rapidly spreading redness, increasing warmth, swelling, pus, red streaks or severe pain. Earlier review is sensible when diabetes, poor circulation, loss of foot sensation or reduced immunity makes damaged skin harder to manage safely.

Tell the clinician which shoes trigger moisture, how often socks need changing, where the rash began and what you have applied. Ask whether both the fungal infection and excessive sweating need treatment, and whether nail involvement changes the choice of medicine.