An itchy and scabby scalp can be bothersome and embarrassing. To determine the cause of the itching and scabs, consult a physician. If your family doctor is unable to treat the condition effectively, consult a dermatologist.
Skin Disorders
Skin disorders such as psoriasis, eczema, seborrheic dermatitis and neurodermatitis may cause scalp itching and eventual scabbing.
Fungal Infections
Fungal infections such as tinea (ringworm) may cause the scalp to itch and scab over.
Allergic Reactions
Allergic reactions to shampoos, hair dyes and permanent hair chemicals may cause the scalp to itch. Scratching the scalp may cause scabs to form.
Dandruff
Dandruff is a condition that is characterised by an overgrowth of skin cells on the scalp. The condition may cause itching. Dry or oily skin can cause dandruff.
Treatments
Treatments for an itchy and scabby scalp depends upon the cause. They could include over-the-counter dandruff shampoos, prescription shampoos, anti-fungal creams and cortisone creams.