How many red dots on the hands of common diseases such as insect bite dermatitis, eczema, ringworm, etc., usually mainly the use of medication, etc., according to the actual situation need to use the appropriate drugs. 1. Insect bite dermatitis: mosquito bites the skin can easily lead to allergic reactions, skin redness, swelling, itching phenomenon, may be manifested as a lot of small red dots on the hand. Patients can follow the doctor’s instructions to use glycerine lotion and other anti-itching treatment, but also the use of fluticasone propionate cream and other glucocorticosteroid creams, and oral loratadine, cetirizine and other antihistamines to stop the itching treatment. 2. eczema: if eczema may lead to skin erythema, papules and itching and other symptoms, you can follow the doctor’s instructions for the external use of mometasone furoate cream, dieldrin cream and other glucocorticoid ointment, or the external use of pimecrolimus ointment, tacrolimus ointment, such as calcium-modulated phosphatase inhibitors, etc., but also follow the doctor’s instructions for the oral loratadine, ibuprofen, antihistamine medication to stop itching treatment. 3. Ringworm: this disease is caused by fungal infection, the skin will appear erythema, papules, flaking, with itching and other symptoms. Patients can follow the doctor’s instructions for external use of cyclopyrrolidine cream, naftifine ketoconazole cream, etc.; serious symptoms need to be under the guidance of the doctor oral itraconazole, terbinafine and other antifungal drug treatment. A lot of small red dots on the hands may also be caused by other diseases, it is recommended that patients go to the regular hospital in time to find out the specific causes, a clear diagnosis, and then follow the doctor’s instructions to use the appropriate treatment program.