Pityriasis rosea and ringworm (tinea corporis) are both skin conditions that cause round, discolored patches. Ringworm is contagious through skin-to-skin contact, while pityriasis rosea is not. Both ...

You notice a scaly, itchy rash on your skin and immediately start wondering what’s causing it. Two common culprits that can look surprisingly similar are psoriasis and ringworm, but getting the right ...

Ringworm is a highly contagious fungal infection that affects the skin, scalp, and nails. Despite its misleading name, ringworm is not caused by a worm but by a group of fungi called dermatophytes. It ...

Medically reviewed by Lauren Schlanger, MD Key Takeaways Over-the-counter antifungal creams are effective first-line treatments for ringworm and should be used for at least two to four weeks.