What's with the little red dots in the palm?

There are several kinds of small red spots in the palm. 1. Small red spots on the hands must be ruled out first if they are caused by mosquito bites or allergies. 2. If the small red spots are accompanied by itching symptoms, there are papules of different sizes, maculopapules or even pustules. Calamine lotion can be used externally. The itching can be obviously treated with oral chlorpheniramine and other anti-allergic drugs under the guidance of a doctor. 3, if the subcutaneous red dot, can consider the possibility of showing purpura, can be diagnosed through laboratory tests, if necessary, need hospitalization. It is recommended to go to the regular hospital dermatology department for further examination to determine the cause of the disease. Usually, should pay attention to prevent eating fish, shrimp, pepper and other irritating foods.