Q:

What does it mean when your thumb itches?

A:

Quick Answer

Itchy thumbs can be triggered by dry skin, allergic reactions to soaps or cosmetics, and skin conditions such as eczema, according to Mayo Clinic. Thumb itching may also signify underlying conditions such as diabetes or nerve disorders.

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Additional potential causes of itching skin can include insect bites, pregnancy and reactions to certain medications, according to MedlinePlus. Parasitic infections such as body lice and pinworms can also cause itching.

Itching skin is also a common symptom of psoriasis, a skin condition that causes skin cells to multiply rapidly, according to WebMD. Additional symptoms of psoriasis include joint discomfort, red skin patches, silver scales and pus-filled bumps on the skin. Individuals with psoriasis often experience symptoms on the palms of the hands and soles of the feet, however the condition can also affect the elbows, lower back, knees and face.

Treatment for itching skin depends on the cause of the condition and can include the use of over-the-counter antihistamine medications, dry skin lotions and prescription corticosteroid ointment, according to WebMD. Conditions such as eczema and psoriasis may require additional medical treatment. Over-scratching of the skin can lead to infection, so it is important for individuals with unexplained itching to determine the underlying cause.

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Related Questions

  • Q:

    Why is my skin itchy all over?

    A:

    An individual may have itchy skin for several different reasons, including dry skin, rashes, internal disease, nerve disorders, irritations and allergic reactions and pregnancy, says Mayo Clinic. Skin conditions that cause itchiness, such as eczema, scabies, hives and chickenpox, often create bumps and blisters.

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  • Q:

    What are the symptoms of scalp eczema?

    A:

    Symptoms of scalp eczema include red skin, stinging and itching, according to Mayo Clinic. Some people with seborrheic dermatitis may experience patches of greasy skin with flaky yellow or white scales on the scalp, ears, face or chest. This can also occur on the scrotum, armpits or other body parts.

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  • Q:

    Are there any home remedies for eczema?

    A:

    Home remedies for eczema include applying moisturizer to damp skin immediately following baths or showers, bathing in warm water with baking soda and applying cool, moist dressings to the skin, according to Mayo Clinic. Using a humidifier in the home can also help increase moisture and prevent dry skin.

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  • Q:

    What are some signs and symptoms of eczema?

    A:

    Eczema typically appears as a patchy rash that is thickened, cracked, dry and scaly, according to Mayo Clinic. It is often red to brownish gray and may have raised bumps with oozing liquid. Itchiness particularly at night is another symptom of eczema.

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