What to do if your bug bite is red, swollen and itchy

Redness, swelling, itching after being bitten by insects consider the possibility of insect bite dermatitis, patients with mild symptoms can be improved by topical medication, oral medication, etc.; such as extensive lesions, patients with severe symptoms can follow the doctor’s instructions short-term oral glucocorticosteroid drug therapy.
Redness, swelling and itching after being bitten by insects is one of the common symptoms of insect bite dermatitis, which is mostly seen after being bitten by mites, mosquitoes, bedbugs, fleas, bees and other insects, resulting in skin allergies. Patients should avoid scratching and avoid being bitten again by wearing long pants and long-sleeved clothing or applying mosquito repellent.
Patients with mild symptoms of insect bite dermatitis can apply topical glycerite lotion to astringent and itch relief, or use topical glucocorticosteroid creams such as fluticasone propionate cream and oral antihistamines such as loratadine to alleviate the symptoms as appropriate under the guidance of a doctor.
If the lesions are extensive and the symptoms are severe, glucocorticoid drugs such as prednisone can be taken orally for a short period of time as prescribed by the doctor; if the localization is secondary to bacterial infection, sensitive antibiotics such as cephalosporins need to be applied jointly for anti-infective treatment.
Some severe cases may have life-threatening symptoms such as laryngeal edema, stridor, anaphylaxis, etc., which require immediate cardiopulmonary resuscitation (CPR) or prompt transportation to the emergency department of the hospital for resuscitation treatment.
Insect bites are closely related to the season and living environment, and patients need to pay attention to personal protection. It is recommended that patients with redness, swelling and itching after bites should go to the hospital in time for treatment, and should not blindly deal with them on their own to avoid delays in treatment.