Diagnosing Scalp Folliculitis. If you suspect you have folliculitis (or if you’re not sure what’s going on with your skin), it’s always a good idea to see a dermatologist.

Scalp folliculitis is a skin rash that can be caused by bacteria, fungi, viruses, or mites. Mild cases often clear up on their own, but your symptoms may sometimes get worse without treatment.

Diagnosing Scalp Folliculitis. If you suspect you have folliculitis (or if you’re not sure what’s going on with your skin), it’s always a good idea to see a dermatologist.

Dissecting cellulitis of the scalp (DCS): A chronic inflammatory condition typified by the formation of abscesses, nodules, and draining sinus tracts that frequently culminates in scarring alopecia.

3. Folliculitis, a disorder in which the hair follicles become inflamed, can be brought on by bacterial infections. Scalp pimples can be especially painful because of this irritation.