Red bumps on the side of the foot is very itchy considerations are tinea pedis, contact dermatitis, urticaria, etc., mainly drug treatment, according to the specific cause of the selection of appropriate drugs. 1. Tinea pedis: Tinea pedis is a fungal infection of the foot caused by dermatophytes, which can cause itchy red bumps on the side of the foot, you can use ketoconazole and miconazole to apply, and if it’s an exfoliation type, you can take terbinafine and itraconazole orally. 2. Contact dermatitis: if the material of the socks or shoes are allergic, it can also cause this situation, you should choose cotton socks and loose shoes, if necessary, you can apply hydrocortisone cream, dexamethasone cream to relieve itching. 3. Urticaria: Urticaria is caused by allergies and other causes, localized elevated in the skin mucous membrane surface of the edematous mass, you can apply glycerine lotion, mometasone furoate cream, if it is acute urticaria, you can take diclofenac tartaridine, ibogaine and so on. Itchy red bumps on the side of the foot may also have other causes, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, give targeted treatment or standardized treatment. The above drugs should be used in accordance with the doctor’s instructions, can not be used blindly, so as not to cause adverse consequences.