Mosquito bites lead to swollen fingers are the cause of insect bite dermatitis, which can be treated by applying drugs, oral medication, general treatment. 1. Apply drugs: after being bitten by mosquitoes, the venom in the body of the mosquito and the insect body powder hair, will produce a certain allergic reaction or inflammatory reaction on the local skin, so after being bitten by mosquitoes, resulting in swollen fingers, accompanied by obvious itching sensation. Under the guidance of a doctor, you can be treated with glycerine lotion and compound dexamethasone cream. 2. Oral medication: If the itching of the skin lesions is more serious, it is also necessary to take oral antihistamine drugs for treatment, common drugs are generally cetirizine hydrochloride tablets, loratadine tablets, and so on. 3. General treatment: the disease has a tendency to recur, prevention to pay attention to environmental hygiene, eliminate mosquitoes, pay attention to the diligent change of underwear, diligent sun bedding, to prevent mosquito bites. Mosquito bites lead to swollen fingers patients need to consult a doctor in a timely manner, in accordance with the doctor’s instructions for standardized treatment.