Scabs on the scalp can come from dandruff, acne, or contact dermatitis. Treating scalp conditions might involve medicated shampoos or prescription medications. Avoid products that cause irritation, ...

Hidradenitis suppurativa (HS) causes painful bumps where skin rubs together. When lumps burst or form tunnels, they can become infected and scar. Following your HS treatment plan can reduce flare ...