The cause of nameless swelling and pain is considered to be caused by external injuries or mosquito bites, which are just not cared about at that time. If the swelling pain occurs on the surface of the skin, mostly due to mosquito bites or accidental bumps and so on, because at that time did not care about it, after the swelling pain may not know what caused it. This situation, you can first observe, if the phenomenon of pain is more serious, should promptly consult a doctor, can be under the guidance of the doctor to apply glycerine lotion or peppermint ointment and other drugs for treatment, which has the effect of anti-inflammatory, but also can stop itching. Patients should not blindly use drugs to treat the phenomenon of anonymous swelling and pain, and should go to the hospital in time to do a checkup, after a clear diagnosis, under the guidance of the doctor to take the appropriate treatment method for treatment.