A blister is a fluid-filled bump on the skin.
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Causes of blisters include:
Factors that increase your chance of getting blisters include:
Symptoms may include:
You can diagnose a blister by its appearance and by the activity you were doing when it appeared. Seek medical attention if the blister is unusually painful, appears infected, or occurs with a burn.
A blister will often heal without treatment. Some general tips for treatment include:
If the blister is closed, wash the area with soap and water. Apply a bandage to protect it. If the blister is open, wash the area, apply an antibiotic ointment, and then cover it with a sterile dressing or bandage.
A blister usually heals by itself. See your doctor if:
American Academy of Dermatology
American Orthopaedic Foot and Ankle Society
Blisters. Better Health Channel website. Available at: http://www.betterhealth.vic.gov.au/bhcv2/bhcarticles.nsf/pages/Blisters. Updated May 2012. Accessed January 10, 2013.
Ramsey ML. Avoiding and treating blisters. Phys Sportsmed . 1997;25(12).
Last reviewed January 2013 by Peter Lucas, MD
Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.
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