If your blister requires treatment by a health professional, this may include (depending on the cause of the blister): you develop multiple blisters without any preceding skin injury.the area becomes increasingly swollen or inflamed.the blister starts weeping pus (yellow or green, sometimes smelly, fluid).the blister is caused by a burn, scald or severe sunburn.See your doctor or other health professional for treatment if: When to seek medical attention for a blister Avoid 'folk remedies' like applying butter or vinegar.Change the dressing daily and re-apply antiseptic.Don't use tape alone for the dressing, as removing the tape may rip the roof skin off the blister.Apply antiseptic and a dressing or sticking plaster to the area to protect it and keep it free from dirt or irritants.If the blister has burst, don't peel off the baggy skin pocket – let your body heal the area in its own way and in its own time.Other suggestions for treating a simple friction blister include: If the blister refills over the next day or so, you can repeat the process. Do not remove the blister roof, as that will delay healing and increase the risk of infection. The roof then acts as a dressing that can be further covered with a dressing or sticking plaster. If this is not possible, the best way to burst a blister is to clean the area with soap or disinfectant and then prick the blister with a needle heated over a flame to sterilise it.Īllow the fluid to slowly escape and the roof of the blister to collapse down onto the blister base. You could cause an infection or hinder your body's healing process. When treating a blister, if possible, resist the temptation to burst it. fungal skin infection (such as tinea on the soles of the feet or between the toes).īlisters rarely need medical attention, unless they are severe, recurrent, caused by burns or are due to an underlying infection.viral skin infection (such as herpes or warts).friction (for example, using a shovel all day without gloves can cause blisters on the palms of the hands).a raised lump filled with clear fluid or, sometimes, blood.A blood blister is usually caused by a severe pinch or bruise to the skin that breaks the tiny blood vessels (capillaries). This can take around one week.ĭepending on the cause and location, a blister can range from the size of a pinprick to three centimetres or more in diameter. If the blister is left unpopped, the body gradually absorbs the fluid as the underlying skin recovers. Ill-fitting shoes or friction can damage the skin, and a blister forms to cushion the area from further damage as it heals. The feet are particularly prone to blisters. A blister is a small pocket of fluid in the upper skin layers and is one of the body's responses to injury or pressure.
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