Itchy blisters on the feet and skin if caused by tinea pedis should use antifungal drugs, if caused by sweat herpes can be treated with glucocorticoid drugs. 1. Tinea pedis: If there are blisters, itching and skinning on the feet, it may be caused by tinea pedis, which requires the use of antifungal drugs, such as miconazole cream, terbinafine cream and so on. 2. Sweat herpes: blisters on the feet with itching skin may also be caused by sweat herpes, is a special type of eczema, you can use glucocorticoid ointment for treatment, including dexamethasone ointment, halomethasone ointment and so on. Oral antihistamines such as cetirizine can be taken when itching is significant. If there are blisters on the feet, you should go to the hospital in time for examination, and you should pay attention to follow the doctor’s instructions when using the above drugs.