A rash that looks like cystic acne may be due to a skin condition known as hidradenitis suppurativa. Also known as acne inversa, HS causes painful deep lumps in areas where skin touches skin, like ...

Medically reviewed by Casey Gallagher, MD Psoriasis and ringworm (tinea corporis) cause scaly rashes but have different causes and treatments. Psoriasis is an autoimmune condition, while ringworm is a ...

How to tell if you have psoriasis or ringworm These two skin conditions look similar but need completely different treatments By Miriam Musa Jul 05, 2025 10:36 am Photo credit: Shutterstock.com ...