Tinea versicolor is a superficial chronic fungal infection of the skin caused by a lipophilic yeast, Pityrosporum orbiculare or ovale. The characteristic skin lesions are punctate or small patches of light brown or grayish-white scaly macules and papules.

bubble_chart Clinical Manifestations

1. The disease occurs in summer and becomes latent in winter;
2. it commonly affects areas with abundant sweat glands such as the chest, back, armpits, face, and neck;
3. the skin lesions appear as small, dotted, or patchy light brown or grayish-white fine scaly spots.

bubble_chart Diagnosis

1. Dormant in winter and active in summer;
2. Commonly occurs on the chest, back, and other areas;
3. Typical skin lesion manifestations;
4. Direct microscopic examination of scales reveals short rod-shaped hyphae and round spores;
5. Wood's lamp examination shows yellowish-brown fluorescence.

bubble_chart Treatment Measures

1. Topical antifungal preparations;
2. Systemic antifungal medications may be taken orally when necessary.

1. For localized skin lesions, topical therapy is the primary approach;
2. For extensive and stubborn skin lesions, systemic antifungal medications may be considered.

bubble_chart Cure Criteria

1. Cure: Skin lesions subside, fungal direct microscopy is negative once a week for two consecutive times, and filtered ultraviolet lamp examination is negative;
2. Improvement: Partial subsidence of skin lesions, fungal direct microscopy is negative or positive, and filtered ultraviolet lamp examination is negative or positive;
3. No cure: No improvement in skin lesions, fungal direct microscopy is positive, and filtered ultraviolet lamp examination is positive.