Itchy small blisters behind the heel may be caused by eczema, tinea pedis, sweat herpes and other factors. It is recommended to give glucocorticosteroids, antifungal drugs and other treatments for clear diagnosis.
1. Eczema: Eczema is a common inflammatory itchy skin disease, which can be manifested as localized itching, erythema, blisters and so on. Localized blisters, oozing as the main manifestation can be given glycerine lotion, boric acid solution, wet compresses, control of local oozing, promote the blisters dry absorption. When the oozing is reduced, hydrocortisone butyrate cream and compound flumethasone cream can be used externally.
2. Tinea pedis: a disease caused by fungal infections, easily occurring in the feet. It can be applied externally with tincture of salicylic acid and clotrimazole cream. If necessary, with oral terbinafine, itraconazole and other treatment.
3. Sweat herpes: Sweat herpes is a blistering disease that is likely to occur on the hands and feet. It can be applied with topical tretinoin urea ointment, or topical tacrolimus, pimecrolimus ointment, etc., to improve local itching symptoms and promote the fading of lesions.
There are more reasons for small blisters and itching behind the heel, so it is recommended to make a clear diagnosis before treatment. Specific medication should be based on the guidance of the doctor.