Once it has broken and drained, the area around the blister can be very gently washed with soap and water. Once a blister develops, a person should stop putting pressure on it immediately. They help reduce pressure and protect underlying tissues.īlisters also help seal off damaged tissues and prevent bacteria, viruses, and fungus from entering the wound. While they can be painful, blisters are a natural defensive mechanism. It is important always to leave both clear and bloody blisters intact. Most blisters heal after a few days with basic care. In most cases, the best way to treat blisters on the feet is to leave them alone. Share on Pinterest Using an over-the-counter blister bandage to cover a blister may be a recommended treatment. Blood blisters tend to occur when the skin is crushed or pinched. When very tiny blood vessels in the epidermis of the skin break, they sometimes leak blood into the tissue layers, causing a blood blister. being overweight, which puts increased pressure on the feet.diabetic neuropathy or nerve damage, causing a loss of sensation or pain in the feet.autoimmune conditions, such as bullous pemphigoid and pemphigus.eczema, including dyshidrotic eczema, which causes small, very itchy blisters on the edges of the toes and soles of the feet.Blisters can also be a symptom of certain infectious diseases and disorders.Ĭommon medical conditions and treatments that may increase the risk of blisters on the feet include: chemicals used in laboratory or clinical settingsĪny condition that weakens the outer layer of the skin can make it more vulnerable to blisters.toxic chemical agents or gases used in warfare.chemicals in shower or bath skin cleansers.Chemical burns can also lead to blister formation.Ĭommon causes of these types of blisters include: Severe allergens and irritants can also result in enough inflammation and pressure to cause blisters.īlisters either appear immediately or shortly after exposure to the irritant or over time with gradual, low-dose exposure. If exposure continues, contact dermatitis can progress to form a blister. As with burn blisters, most people have a hard time separating the symptoms of frostbite blisters from the symptoms of frostbite itself.Ĭontact dermatitis or skin inflammation can occur whenever the skin is exposed to an irritant. When this happens, a blister develops to keep heat in the body.įrostbite burns tend to appear immediately. Burn blisters tend to heal by the time the burn itself has healed.Įxtreme cold can cause frostbite, freezing and killing cells in the skin. With more severe types of burns, blisters appear immediately.Īs they are caused by a very painful condition, the symptoms of burn blisters are not noticed by most people, or they cannot be distinguished from those of the burn. It may take a day or two for blisters to develop after first-degree burns, such as those resulting from sunburn. When the skin is burned, the body may respond by creating a blister to protect underlying tissue layers from being damaged. The body sends fluids to fill this opening and protect the more delicate, underlying tissue layers.įriction blisters tend to be painful and tender to the touch and can be disabling. Shearing is where inflammation causes small tears in the skin. If the sore continues to be irritated or pressure is put on it, shearing of the skin occurs. The result is pain, swelling, and redness.Ī red sore will usually develop on the foot before the blister itself. When the skin of the feet is continually rubbed against a shoe, sock, or rough surface, irritation and inflammation often occur. However, anything that results in tissue or blood vessel damage to the outer skin can cause a blister.Ī mixture of friction and pressure causes a majority of blisters on the feet. Share on Pinterest Blisters may appear as a response to injury or infection, and may be caused by friction against the skin.įriction against the skin is what causes most blisters.
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