There are two common diseases that cause itchy red bumps on the inner thighs, one is eczema and the other is ringworm. Different treatment methods are used for the two diseases. Eczema: You can take oral antihistamines such as levocetirizine hydrochloride tablets, loratadine tablets, itchy granules, etc., and use topical dehumidification and antipruritic ointment, fluticasone propionate ointment, and glycopyrrolate lotion, etc.; ringworm: It is a disease caused by fungal infection, and you can take itraconazole capsules and terbinafine hydrochloride tablets orally, and use sertaconazole nitrate ointment, terbinafine hydrochloride gel, compound benzoic acid application, etc. etc.