Itchy feet have several causes as follows: 1. Palmoplantar pustulosis. In the itching area, clusters of small pustules appear, and some of the pustules break down to appear as purulent exuding pus scabs, with increased itching. Topical halomethasone ointment can be used. For the broken areas, apply a wet dressing with topical Revnur solution, and then apply halomethasone ointment after crusting, together with oral compound glycopyrrolate tablets, 3 times a day, 2 tablets once. 2. Tinea pedis. In the itchy area appears erythema, papules, blisters, and flaking like this. You can apply terbinafine hydrochloride gel, or luliconazole ointment, 2 times a day for treatment.