What should I do if a child is bitten by a mosquito and it swells up a lot?

Small children are mosquito bites swollen very large, through oral medication, topical medication treatment.
Mosquito bites after the appearance of a very large lump is mostly due to the human body to mosquito body fluids allergy caused by allergic reactions. Should follow the doctor’s advice oral anti-allergy drugs or external application of anti-allergy ointment, commonly used oral anti-allergy drugs are loratadine, cetirizine, etc.; commonly used anti-allergy ointment is mometasone furoate cream, etc..
Avoid mosquito bites, it is recommended to apply mosquito repellent liquid or flower water. Once the mosquito bites after the allergy to the hospital in a timely manner to deal with, in accordance with the doctor’s prescription medication.