Small bumps on the legs and arms symptoms, consider and mosquito bites, contact with allergens, eczema and other factors related to the choice of anti-mosquito treatment, avoid contact with allergies, antihistamines, glucocorticoids medication. 1. Mosquito bites: small bumps on the legs and arms if caused by mosquito bites, need to do a good job of anti-mosquito measures, avoid going to mosquito places, for the phenomenon of localized pimples, but also through the application of violet diclofenac sodium, to play the purpose of stopping the itching. 2. Contact with allergens: If the above symptoms are related to contact with allergens, you should avoid allergens and cooperate with your doctor to give antihistamines, such as loratadine and cetirizine. 3. Eczema: small bumps on legs and arms may be due to eczema, you can cooperate with the doctor to choose hydrocortisone, dexamethasone and other glucocorticoid drugs coated, when the symptoms are serious, you can choose tretinoin, mometasone furoate and other ointment, to improve the therapeutic effect. Small bumps on the legs and arms may also have other causes, need to actively cooperate with the doctor to improve the examination, and then do targeted treatment, the above drugs need to strictly comply with the doctor’s instructions to use.