Bitten by poisonous ants and painful and itchy can be coated with skin-protecting drugs, glucocorticoid drugs, antibiotic drugs, etc., if necessary, should be combined with oral antihistamine drugs. 1. Skin protection drugs: more commonly used are glycerine lotion, zinc oxide powder, talcum powder, etc. These drugs can play the role of astringent and antipruritic, to alleviate the pain and itching of the skin has a certain effect. 2. Glucocorticoid drugs: more commonly used is hydrocortisone acetate, prednisolone acetate, betamethasone valerate, etc. Glucocorticoid drugs can play an anti-inflammatory, anti-allergic, anti-itching and reduce the role of oozing, according to the specific parts and severity of the selection of the appropriate strength of the drug. 3. Antibiotic drugs: If there is a combination of bacterial infection, you need to apply antibiotic drugs, such as erythromycin ointment, mupirocin ointment, fusidic acid cream, etc. These drugs can inhibit bacterial reproduction and treat bacterial infections. However, some patients just rub the effect is not obvious, you need to take oral antihistamine drugs at the same time, such as ibastine, chlorpheniramine, cetirizine, loratadine, etc., so the effect will be more obvious. The same disease patients with different physical conditions, the severity of the disease is different, the medication is not the same, you should follow the doctor’s instructions to use the medication to use the medication especially blindly.