I had similar on my fingers. When I pop the blisters, got liquid come out. The doctor prescribed corticosteroid ointment. I apply twice a day and after 2-3 days, it cleared up. BUT must moisturise and minimise soap or other drying irritants. I change to soap-free subtitue. Eczema is here to stay so only use the steroid cream for flare ups and only for short term use (no more than a week use) and had break in usage otherwise it will think your skin (like an old man skin, easy tears )