A lot of small particles on the back of the hand may be related to contact dermatitis, eczema, flat warts, fungal infections and so on.
1. Contact dermatitis: If the back of the hand is exposed to certain allergenic substances, such as paint, pollen, willow flakes, etc., it may lead to small particles, localized redness and swelling, as well as itching and other symptoms.
2. Eczema: If the back of the hand area has eczema, it can be manifested as tiny skin particles or small rashes, with intense itching, repeated scratching of the affected area of the skin, which will lead to rupture of the rashes, yellow liquid outflow, the formation of yellow scabs on the surface, and itching intensified in the presence of heat.
3. flat warts: the skin is infected with human papilloma virus, in the face or back of the hands and other parts of the flat small papules, may be oval or round, soybean size, color is light brown, a small number of patients may have a slight itching sensation.
4. Fungal infection: caused by infection of dermatophytes, tiny bumps will appear on the skin, the color may be purplish-red, with intense itching, after severe scratching can make the skin thickening.
The back of the hand grew a lot of small particles is also may be other reasons, it is recommended that the patient to the hospital, a clear diagnosis, follow the doctor’s instructions for treatment.