Small red dots on the top of the feet are very itchy may be due to insect bite dermatitis, eczema, athlete’s foot, contact dermatitis and other reasons.
1. Insect bite dermatitis: when it occurs after being bitten by fleas, mites and other insects, local skin allergy and inflammatory reaction can occur, which can be manifested as small papules, doughnut erythema and other symptoms, mostly accompanied by obvious itching.
2. Eczema: related to the patient’s physique, environment, genetics and other factors, foot eczema can be manifested as a pinhead to corn size papules, papules, when serious, small blisters can appear, can be fused into a piece, itching is obvious, scratching can lead to vesicles, oozing and other symptoms.
3. Tinea pedis: commonly known as “foot fungus”, is due to fungal infection caused by the skin disease, occurring on the back of the foot can be manifested as scattered or clustered small blisters, accompanied by peeling, itching and other symptoms.
4. contact dermatitis: is due to skin contact with certain exogenous substances, caused by the contact area or even the contact area outside the skin of the inflammatory reaction, manifested as erythema, pimples, pimples, the heaviest can be in the erythema on the basis of the blisters, the patient is often self-conscious of the itching, burning, and so on.
Small red spots on the surface of the foot is very itchy may also be caused by other reasons, it is recommended that patients seek medical attention in a timely manner, in order to clarify the cause of the symptomatic treatment.