An itchy scalp can be caused by various factors, including skin conditions, infections, and allergies. Here are some of the most common causes of an itchy scalp:
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Dandruff: This is the most common cause of an itchy scalp. It occurs when the scalp sheds skin cells too quickly, leading to flaking and itching. Dandruff is often caused by a fungus called Malassezia.
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Seborrheic dermatitis: This is a skin condition that causes oily, inflamed skin and can lead to dandruff. It can also cause redness and itching on other parts of the body, such as the face and chest.
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Psoriasis: This is a chronic autoimmune condition that causes skin cells to build up rapidly, leading to thick, scaly patches on the skin. When it affects the scalp, it can cause itching and flaking.
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Eczema: This is a skin condition that causes dry, itchy, and inflamed skin. When it affects the scalp, it can cause redness, scaling, and itching.
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Tinea capitis: This is a fungal infection that affects the scalp and hair shafts. It can cause itching, scaling, and hair loss.
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Head lice: This is a common infestation that can cause intense itching on the scalp. It is often accompanied by visible signs of lice or nits (lice eggs) on the hair shafts.
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Allergic reactions: Allergies to hair products, such as shampoos, conditioners, and hair dyes, can cause an itchy rash on the scalp and other areas of the body.
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Scabies: This is a skin infestation caused by tiny mites that burrow into the skin. When it affects the scalp, it can cause intense itching and a rash.
To treat an itchy scalp, it is important to identify the underlying cause and address it accordingly. This may involve using medicated shampoos, topical creams, or oral medications, depending on the cause of the itching.
