Mosquito bites broken skin, you can apply the drugs include povidone-iodine, mupirocin ointment, etc. If the external drug treatment is not good, you should also cooperate with oral medication and other methods of treatment. Povidone-iodine: Povidone-iodine has a bactericidal effect and can be applied to the affected area to sterilize and disinfect it. Very few patients may have an allergic reaction to povidone-iodine. Mupirocin ointment: Mupirocin ointment belongs to the antibiotic class of drugs, can play an anti-inflammatory effect. If you are allergic to this kind of drug, it is forbidden to use it, and it may cause local burning sensation and other adverse reactions. The patient is best to consult a doctor in time, the drug needs to be used in strict accordance with the doctor’s instructions, not self-medication.