What should you know about extremely itchy flaky scalp?

Fine white flakes with itch may occur with dandruff. Greasy scale and redness can be seen with seborrheic dermatitis. Thick, sharply defined plaques may occur with scalp psoriasis. A spreading rash, broken hairs, tender spots, or areas of hair loss need assessment for scalp ringworm. Scratching can create tiny breaks in the skin and increase soreness, even when the original trigger is mild.

Notice whether the scale is dry or oily, whether redness extends beyond the hairline, and whether anyone close to you has similar scalp symptoms. These details help distinguish common inflammatory conditions from contagious causes.

Wash gently with lukewarm water and avoid picking, vigorous scratching, fragranced products, and hair treatments until the scalp settles. Keep nails short and use a cool compress for brief periods if the itch is intense. A pharmacist or clinician can help select a medicated shampoo when dandruff or seborrheic dermatitis is suspected; follow its label directions and stop if it causes burning or a new rash.

Do not share combs, brushes, hats, or towels if an infection or lice exposure is possible. Arrange a dermatology review if self-care does not ease the itch, or if scale keeps returning.

Seek prompt medical care for pus, increasing warmth, marked swelling, fever, rapidly spreading redness, painful crusting, or sudden patches of hair loss. Arrange an appointment soon for bleeding from scratching, swollen glands, thick plaques, or symptoms that disturb sleep. A clinician may examine the scalp closely and test hairs or scale when an infection is possible.

Ask which cause best fits the type of scale and redness, whether you need a medicated shampoo, how long to try it, and whether close contacts need checking. Mention new products, recent travel, animal contact, treatments already used, and any hair shedding.