Q:

What are some common causes of bright red spots appearing on the skin?

A:

Quick Answer

The most common causes of bright red spots on the skin are skin infections or conditions, insect bites, allergic reactions, and autoimmune diseases such as vasculitis and systemic lupus erythematosus, states Healthgrades. Cherry angiomas are another common cause, according to Healthline.

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Full Answer

Skin conditions such as rosacea, atopic eczema, impetigo, pityriasis rosea, and irritant contact dermatitis cause red spots, blisters or patches. Impetigo mainly affects children and is highly contagious and itchy. It affects areas close to the mouth and nose. Ringworm is a fungal infection that spreads through contact with infected skin or sharing clothing or sports gear with an infected person. It manifests in the form of reddish circular rings that are scaly, says Everyday Health. Some insects leave bright red bite marks. They include bedbugs, ticks, mosquitoes, lice, and fleas, states Healthgrades.

Cherry angiomas are skin growths common to people aged 30 years and over. The blood vessels in the angiomas break causing a bright red appearance. They are harmless, but one should consult a dermatologist if the appearance of the angiomas change, advises Healthline. Allergic reactions to food, animals, drugs, certain materials such as latex cause red spots on the skin, according to Healthgrades. Systemic lupus erythematosus is a disorder where the body erroneously fights its healthy cells and tissues causing a skin rash. Its cause is not known. Vasculitis affects blood vessels causing inflammation and reddening, says Healthgrades.

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