Blisters are small inflamed sores which form on the skin and contain liquid. Blisters on the feet can be very annoying. They swell, burn, and cause pain.
Often the formation is caused by the use of unsuitable shoes, the foot, forced in too wide or too narrow shoes, increases sweating and rubbing with the consequent formation of blisters. Then there are other causes: eczema, athlete’s foot, burns, burns and reaction to drugs.