What should you know about itching scalp?

Dryness may cause tightness and fine flaking, while contact dermatitis can start after a new dye, shampoo, styling product, or treatment. Atopic dermatitis may bring sensitive, inflamed skin; psoriasis can produce thicker, defined scale that extends beyond the hairline. A skin yeast infection may cause irritation in warm, moist areas. Scabies can involve the scalp in some circumstances, especially with intense night itching and symptoms in close contacts. Look for flakes, plaques, crusting, sores, hair loss, tender areas, or swollen glands, and tell a clinician when each began.

Pause recently introduced products and rinse thoroughly after washing. Use lukewarm water, avoid vigorous scratching, and keep nails short. Do not pick crusts or share brushes, hats, pillows, or towels if infection or infestation is possible. Choose a gentle, fragrance-free shampoo unless a clinician recommends a medicated one. Avoid applying strong creams or oils to the scalp without advice, since they may worsen follicle blockage or hide important changes. A clinician can examine the scalp and hair shafts when flaking, sores, or hair loss persist.

Arrange review for persistent itch, thick scale, bleeding, recurrent crusts, patchy hair loss, or a rash that spreads to the face or body. Seek prompt care for painful swelling, pus, fever, rapidly worsening redness, or tender lumps. If close contacts are itchy or you suspect scabies or another contagious condition, seek advice about treatment and cleaning.

Could a product, eczema, psoriasis, infection, or infestation explain these findings? Which shampoo or treatment is appropriate? Should I avoid sharing hair tools, and do contacts need assessment?