The itchy red rash on the feet is generally divided into several cases, the more common are eczema, this time are corn-sized red papules, papules, they feel very itchy, serious rash can be connected to a large, this time you can eat some desensitizing drugs, such as keratan, Diva, external use can be smear some hormone cream. This is related to the sweating of the feet in the summer, you can see some red papules, papules, this time the principle of treatment and eczema, oral desensitizing drugs, and then the external use of some hormone cream, pay attention to the local ventilation, avoid excessive sweating. There is also foot fungus, which can also be red papules on the feet, they feel itchy, it is best to do a fungal test to clarify whether there is a fungal infection, there is fungus is foot fungus. If it is foot fungus, you need to use some antifungal creams, and in serious cases, you may also need to take oral antifungal medication.