When you get a foot blister your next step should be to prevent it from getting bigger or infected. Infected or blood blister on your foot is differentiated as having pus draining out and are larger in size. These are also more painful.
First wash your feet with an antiseptic soap and dry them. Clean the blister area using an alcohol swab. Wipe the area gently and avoid harsh rubbing of the irritated skin. If fluid starts to drain out, let it drain by applying slight pressure. Don’t drain by exerting extra pressure. This can puncture fine capillaries and aggravate the painful condition.
Once the foot blister is drained you should cover the entire area with an antiseptic ointment. Apply a thin film of ointment uniformly over the affected area using clean fingers. Make sure you are not allergic to the medication as it can cause side effects. In some cases, the top layer of the skin remains intact. Don’t try to remove the skin forcefully. Let it cover the area of the foot blister. Antiseptic ointment will prevent bacterial growth and reduces the risk of infection.
Small unbroken blisters on feet can be left uncovered. If you need to cover blisters on feet use an adhesive bandage or tape which allows air to pass through. Never cover blisters on feet too tightly using a bandage as it reduces blood supply to the area and causes numbness. Apply a sterile dressing loosely, changing it at regular intervals. Keep your feet dry to speed up healing. Avoid wearing shoes and socks. Reduce the amount of physical work and rest properly.
If your skin under the dressing begins to itch, becomes excessively dry or gets inflamed, stop treating foot blisters yourself and consult a physician immediately. Always wash your hands before and after dressing blisters on feet and also avoid touching other skin areas during the process of dressing.