A fungal infection, scalp ringworm may start off as small bumps on the scalp that itch. Scratching them can cause a scab. Gradually, the bump expands to form a large circle with a normal-looking ...

Shingles may develop on your scalp and face if the virus that causes ... These blisters may ooze and bleed, and then crust over forming itchy scabs. Hair loss is possible at the site of the ...