Why do i get water blisters on feet?

Dyshidrotic Eczema: People are more likely to develop dyshidrotic eczema when: they are under stress they have allergies, such as hayfever their hands are often in water or moist they do cement work or other work that exposes their hands to chromium, cobalt, nickel the cause is unknown. The condition seems to appear during certain times of the year. Treatment is with class one steroids.

Athlete's foot: These are often caused by a fungal infection commonly referred to at athlete's foot. There are many different presentations and this is one of them. Use drying soaks (dilute vinegar or epsom salts). One of the otc topicals i recommend is lotrimin (clotrimazole) ultra. If this doesn't work, see a podiatrist.

Different : Possibilities including bullous tinea pedis which is a blistery type of athletes foot, dyshidrotic eczema, friction etc. Without seeing them it is hard to make definitive diagnosis, oftentimes a skin scrapping may be performed to determine the etiology, or treatment can be tried and modified based on response.