Medically reviewed by Brendan Camp, MD Key Takeaways Lyme disease can cause a rash that sometimes looks like a bullseye and ...

Ringworm can manifest on your skin as scattered bumps, flat round patches, and ring-shaped rashes that overlap.

Psoriasis and ringworm (tinea corporis) cause scaly rashes but have different causes and treatments. Psoriasis is an autoimmune condition, while ringworm is a fungal infection. Because they can look ...