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This article was co-written by Laura Marusinec, MD. Marusinec is a licensed pediatrician at Children’s Hospital of Wisconsin, and she is a member of the Clinical Practice Council. She received her PhD from the University of Wisconsin School of Medicine in 1995 and completed her residency at the University of Wisconsin School of Medicine with a major in Pediatrics in 1998. She is a member of the American Medical Writers Association and the American Medical Writers Association. Children’s Emergency Care Association.
There are 15 references cited in this article that you can view at the bottom of the page.
This article has been viewed 26,395 times.
Blisters are usually caused by friction on the skin, causing fluid to build up underneath the skin where it was rubbed. Many doctors recommend that you don’t pop a blister if you want to prevent scarring and infection and will advise you to burst a blister, but if you really want to burst it, follow these steps to make sure: safe.
Steps
Check before bursting blisters
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Listen to your doctor’s advice. Doctors often recommend avoiding breaking a blister because it is a protective cushion for the damaged skin underneath and prevents bacteria. A broken blister will leave the skin vulnerable to infection. [1] X Trusted Source National Health Service (UK) Go to Source
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Assess situation. Ask yourself if you should burst the blister at this point. [2] X Research Source
- Where is the blister? It is safer to break a blister on a foot than to break a cold sore on the lips or inside the mouth. Herpes sores and blisters inside the mouth should be checked by a doctor.
- Is the blister infected? If there’s a yellow discharge, it’s infected and you should see your doctor. [3] X Trusted Source National Health Service (UK) Go to Source
- Does the blister interfere with daily life, such as making it difficult to walk? If so, now is the time to safely break it.
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Do not burst blisters from sunburn or burns. If you have a sunburn blister this is a 2nd degree burn and you need to see a doctor as it is a serious case. Do not break this type of blister as it is formed after a burn to protect the skin underneath. See your doctor to treat and protect the area from the sun while it heals. [4] X Research Sources
- Second-degree burns that cause blisters should be treated gently with a prescription burn cream. You should see your doctor to get the right prescription and to know how to care for a sunburn blister. [5] X Research Sources
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Do not treat blisters with blood. A blood blister is a red-purple-black streak of blood under the skin caused by a broken blood vessel beneath the epidermis of the skin. Friction in a bony protrusion, such as the back of the heel, will result in a blood vessel bursting and blood pooling under the skin. [6] X Trusted Source PubMed Central Go to Source
- Bloody blisters are a sign of a deep wound. It can heal on its own but many people mistake it for melanoma (pigmentation). Therefore, if you are not sure, see your doctor to check.
Prepare to burst the blister
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Hand washing. Use soap and warm water to rub your hands for 20 seconds before rinsing. [7] X Trusted Source Mayo Clinic Go to Source
- Use regular unscented soap to wash your hands. This prevents any irritation from the chemical and avoids the transmission of bacteria from the hands to the delicate skin after the blister has broken.
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Wash the blister with soap and water and apply alcohol or antiseptic. [8] X Trusted Source Mayo Clinic Go to Source
- Antiseptics such as betadine are available over the counter. However, you should be careful with betadine as it will stain your skin, clothing and other surfaces.
- Gently pour betadine or rubbing alcohol onto the blister and surrounding skin. If washing with soap and water, use unscented. Gently rub the affected area with your hands, but be careful not to press too hard so as not to break the blister, then rinse with water.
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Prepare the needle and blade. Ideally, you should choose a disposable, prepackaged and sterilized needle or blade that is often available at drugstores and medical supply stores. [9] X Trusted Source Mayo Clinic Go to Source
- If you choose to use a sewing needle at home, you will need to soak the needle in rubbing alcohol first.
- Do not heat the needle or blade over a fire, as it will become contaminated with carbon molecules that irritate the skin and increase the chance of infection. [10] X Research Source
Break the blister
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Start at the edge of the blister. Inject 2 or 3 places on the blister to drain the fluid by gravity. You can prick each side, close to the bottom edge of the blister. [11] X Trusted Source PubMed Central Go to Source
- Do not pierce the blister with a needle to dry the water. This method increases the risk of infection.
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Translate translation. You can either let the blister drain on its own with gravity or gently press down from the top where the hole was inserted and let the fluid drain. [12] X Research Source
- Do not press too hard or tear the blister to allow fluid to drain. This leads to the risk of injury to the skin underneath.
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Do not tear off the top layer of skin. Peeling off the dead skin of the blister can irritate the surrounding healthy skin and cause the skin to become inflamed. You just need to wash the surrounding skin with soap and water or disinfectant, then cover it. [13] X Trusted Source National Health Service (UK) Go to Source
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Apply antibiotic ointment and cover the wound with medical gauze. This helps prevent bacteria from entering and relieves pressure on the blistered skin. [14] X Trusted Source National Health Service (UK) Go to Source
- Apply the ointment a few more times and change the dressing every day until the skin heals. This process usually takes about 1 week. [15] X Research Source
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Soak your body, feet, or hands several times after bursting a blister. Epsom salt will help dry up the blisters. For the next few days, mix half a cup of epsom salt in warm water and soak your feet or take an epsom salt bath for 20 minutes each day. [16] X Research Source
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Watch for signs of infection. Any redness, swelling, pain, or discharge of pus is a sign that the blister is inflamed and you need to see your doctor for an antibiotic prescription. [17] X Trusted Source National Health Service (UK) Go to Source
- The skin becomes inflamed as the area around the blister becomes increasingly red and swollen. Besides, the body temperature also increased higher than 37°C. If the area of the skin hurts more and is accompanied by the above symptoms, it is possible that the wound is infected.
- Pus is a yellow fluid that oozes from an infected wound. If the blister (which hasn’t burst or has burst) oozes pus, see your doctor to prevent the infection from getting worse.
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Blister prevention. You need to remove the pressure on the skin in the bony areas. You can use a pressure patch with a circular hole. When running, you should choose a new pair of shoes or socks that fit well to reduce friction and have the ability to control moisture. [18] X Research Sources
- When paddling, wear watersport gloves or wrap tape around the paddle handle to reduce friction. [19] X Research Source
Warning
- Some blisters form due to a medical condition such as autoimmune bullous disease, or an infection such as bullous impetigo. If you have blisters that appear for no apparent reason, or multiple blisters that come back over and over again, you should see your doctor.
Advice
- Make sure everything (hands, needles, skin around the wound, blisters) is disinfected to prevent infection.
- You can see your doctor, dermatologist, or nurse to help drain the blisters with a sterile needle. This is especially important when dealing with large blisters. [20] X Research Source
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This article was co-written by Laura Marusinec, MD. Marusinec is a licensed pediatrician at Children’s Hospital of Wisconsin, and she is a member of the Clinical Practice Council. She received her PhD from the University of Wisconsin School of Medicine in 1995 and completed her residency at the University of Wisconsin School of Medicine with a major in Pediatrics in 1998. She is a member of the American Medical Writers Association and the American Medical Writers Association. Children’s Emergency Care Association.
There are 15 references cited in this article that you can view at the bottom of the page.
This article has been viewed 26,395 times.
Blisters are usually caused by friction on the skin, causing fluid to build up underneath the skin where it was rubbed. Many doctors recommend that you don’t pop a blister if you want to prevent scarring and infection and will advise you to burst a blister, but if you really want to burst it, follow these steps to make sure: safe.
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