Back blisters are caused by friction or skin infections, usually filled with clear to honey-colored liquid. Bacterial infections are the most common cause, including impetigo and abscesses. Treatment may include draining the fluid and antibiotics. Contact a doctor if blisters fail to heal or become severe.
A back blister is a type of sore that appears on or in the skin, usually involving only the top layer or two of tissue. It is usually filled with a clear to honey-colored liquid. Blisters can appear on the back for a variety of reasons, but the most common is friction or a skin infection. Eventually, most of the blisters burst and the fluid drains out. After drainage has occurred, the posterior blister may become encrusted and form a crust before fully healing.
For most people, blistering on the back is a rare occurrence. Most blisters form in areas where friction can cause skin irritation, such as the back of your heels or inner thighs. A blister on the back can occur if friction is applied to the back during certain leisure activities or due to unsuitable clothing. A blister can also occur due to certain bacteria, which can cause an infection of the skin in the upper tissue, mainly in the pores or glands.
Bacterial infections are the most common cause of back blisters, as bacteria are always present on the skin. Staph bacteria is one of the most prevalent types on the skin, but strep is also quite important. A condition known as impetigo is a potential cause of back pain or blisters. This is a skin infection that causes one or more blisters anywhere on the skin. They are usually thin and easy to pop or pop, and are filled with a clear-colored fluid.
Other infections can cause more painful and serious blisters on the back. This type of skin infection can start as a small blister-like sore and eventually develop into a large abscess. An abscess, or boil, is a bag of pus, debris, and dead skin that forms in a pore, hair follicle, or sweat gland. Although similar to a blister on the back, an abscess on the back is usually deeper in the skin and more difficult to get rid of. They can occur more frequently in those who shave or wax their hair from their backs.
An abscess eventually needs to be drained of its fluid or pus before it can heal properly. This can happen on its own or may need to be punched by a doctor. The fluid from an abscess is often highly contagious and foul-smelling and can be yellow, green, clear, or brown in color. Antibiotics are sometimes given to prevent the infection from spreading and to promote proper healing.
Anyone who has a blister on their back that fails to heal, becomes severely painful, or is accompanied by many other blisters or skin irritations should contact a doctor. In most cases, blisters are minor annoyances that go away without treatment. Sometimes, a treatment-resistant strain of bacteria will be to blame, and specialized medications will be needed.
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