When to worry about dark patches on skin with tinea versicolor

Tinea versicolor is a superficial yeast-related skin condition. It can produce patches that are darker, lighter, pink, or brown than nearby skin, often on the chest, back, shoulders, neck, or upper arms. Fine scale may become easier to see when the skin is gently rubbed.

The colour may remain uneven after the surface infection improves because pigment recovery takes time. A patch with marked swelling, warmth, pus, strong pain, or a very different appearance deserves another explanation to be considered rather than being assumed to be tinea versicolor.

Keep the skin cool and dry, change out of damp clothing, and avoid sharing towels or clothing. Do not scrub the patches; friction can irritate the skin and make colour differences more noticeable. Follow an antifungal plan recommended by a clinician or pharmacist and use it for the advised duration.

If the diagnosis is uncertain, if patches keep returning, or if treatment does not improve the surface scale, arrange an examination. A clinician may inspect the scale and choose a treatment suited to the affected area.

Book a medical review if the patches spread quickly, become very itchy, tender, swollen, crusted, or ooze, or if you develop fever. Seek prompt care for facial or eye involvement, extensive irritation, or a painful rash. Persistent colour change without scale can be part of recovery, but an examination helps separate it from an active infection or another skin problem.

Ask whether the pattern and scale fit tinea versicolor, how to apply the recommended treatment, and when the surface should settle. Ask why the colour may linger, how to reduce recurrences, and which new symptoms mean you should return sooner.