Blister on foot
Cause of occurrence
Blisters are caused by friction from shoes or clothing which rubs repeatedly on the skin causing friction burns. As the outer layer of skin separates from the inner layers, the space between fills with lymph fluid. Blisters are a common problem with athletes wearing in new shoes as well as athletes or walkers who take part in exceptionally long events such as marathons or long hill walks. Blisters do not need to be a part of sporting life and can be prevented. Blisters are small swelling of the skin that contains watery fluid. They are caused by friction. The body responds to the friction by producing fluid. The fluid builds up beneath the part of the skin being rubbed, causing pressure and pain.
Blisters occur when feet get hot, sweaty and socks stick to the feet. The sock and foot then rub against each other and the inside of the shoe. Fluid fills up a space between layers of skin to protect the area, like a small balloon. That's how a blister forms. People with diabetes may not be able recognize the painful event due to a condition called neuropathy. A doctor should attend to their blisters and burns. If a blister is red, leaking yellow fluid or has red lines near the blister, visit a doctor immediately. Redness and leaking yellow fluid are symptoms of infection. Blisters occur when a foot gets hot and sweaty. When a foot is hot and sweaty, the sock sticks to the foot. The sock and foot then rub against each other and the inside of the shoe. Fluid fills up a space between layers of skin to protect the area, like a small balloon. The fluid that forms between the layers of skin is called a blister. People with diabetes who have neuropathy may not be able recognize when a foot blister is forming.
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