How to do itching, redness and pain after being bitten by insects

After being bitten by insects, itching accompanied by redness and pain is considered to cause dermatitis. Loratadine or levocetirizine hydrochloride tablets can be taken orally for anti-allergy. Weak alkaline liquid such as soapy water can be used for external cleaning. Erythromycin ointment can also be applied to prevent infection. Calamine lotion can be applied to relieve itching.