A blister on the lip could occur on account of extremely dry weather, it could be a fever blister that is an indication of low immunity or it may be what is called a cold sore. Lip blisters can be extremely painful and uncomfortable. It should not be left unattended as the blister may not only get infected but may spread elsewhere on your skin. It is important not to touch the blister and to maintain a good level of personal hygiene while caring for it at home. Wash your hands frequently with disinfectant and do not share your toiletries with anyone until it heals. There are some home remedies you can try to reduce the duration of the blister and for immediate relief. Lip blisters that arise as a result of extreme weather conditions can be treated by taking care to moisturize your lips well. Apply moisturizer or lip balm on your lips regularly to prevent dryness and blistering. Sanitize the blister and the region surrounding it to help prevent infection to other areas. You can sanitize your blister with the help of saline water or with a mix of five parts of water and one part of hydrogen peroxide. Organic apple cider vinegar is another effective way of cleansing the blister.
Vitamin C and E supplements help reduce the duration of the lip blister and reduce the pain and discomfort caused by it. Zinc supplements are a useful way of shortening the duration of the blister. If your blister has just about come up, applying aloe vera on it may be beneficial. Apply some cornstarch on your lip blister to help heal the blister faster. Another way to help the sore to heal faster is to apply camphor using a ball of cotton directly on the blister. A cold compress may help drain the blister and will provide immediate relief from the pain. Another way to drain the lip blister is to place a used tea bag on it for at least twenty minutes. Make a mix of grapefruit seed and the juice of aloe. Apply this mixture on your lip blister to help cure it faster. Make sure to eat a lot of yogurt to help prevent lip blisters. Make an infusion of ginger and sage and take this at least once a day to help cure a lip blister. An extract of lemon balm applied directly to the blister may help it heal quicker.