I am 35 year old. After biting by mosquito or ant the affected area and near by area become swell and it takes 24 hrs to 48 hrs to normal. Doctor why this happen and what should I do ?

Suggestions offered by doctors on Lybrate are of advisory nature i.e., for educational and informational purposes only. Content posted on, created for, or compiled by Lybrate is not intended or designed to replace your doctor's independent judgment about any symptom, condition, or the appropriateness or risks of a procedure or treatment for a given person.