Tinea Versicolor Cause Explained

Tinea versicolor is a common fungal infection that affects the skin's pigmentation.

Identifying the Causative Agent

The primary cause of Tinea versicolor is a specific type of yeast that resides on the skin.

The Correct Cause: Malassezia furfur

Malassezia furfur is a yeast species that is part of the normal skin flora for many adults. Overgrowth of this yeast can disrupt the production of melanin, leading to the characteristic lighter or darker patches seen in Tinea versicolor. It thrives in oily areas of the skin.

Evaluating Other Options

• Candida albicans: This yeast typically causes infections like oral thrush or vaginal yeast infections, not Tinea versicolor.
• Trichophyton: These are dermatophyte fungi responsible for infections such as ringworm (tinea corporis), athlete's foot (tinea pedis), and jock itch (tinea cruris).
• Streptococci: These are bacteria known to cause infections like strep throat and various skin infections (e.g., impetigo), but not Tinea versicolor.

Based on dermatological understanding, Malassezia furfur is the established cause of Tinea versicolor.