Casey Gallagher, MD, is a dermatologist and clinical professor in the Department of Dermatology at the University of Colorado Denver. Grover's disease is a rare skin condition that causes a severe ...
Inverse pityriasis rosea usually causes a rash on the armpits, groin, neck, or face. The rash may clear up on its own, and medications such as antihistamines can help with itching. Inverse pityriasis ...