In medicine, a rash or blister is called a furuncle , it usually occurs in the hair follicles of the body. This problem mainly affects the face , armpits , back , neck , throat and buttocks. These rashes are usually white and yellow in color and can spread very quickly to other parts of the body. These blisters are very painful and have a lump inside and increase in size after a few days. These blisters are caused by staphylococcal bacteria. Other causes of blisters include damaged follicles , weakened immune systems , infections of the sweat glands , poor hygiene , malnutrition , and chronic diseases. Moreover, those who have diabetes are more likely to have blisters. Most of the time these types of blisters are treated at home. However, blisters on the inside of the body are very painful , and if the blisters are not good even after 2 weeks and cause fever, then a doctor should be shown. But here are some common home remedies for common blister problems. Onions Onions contain antiseptic ingredients that help prevent any skin infections. 1. Cut an onion into slices. 2. Squeeze the sliced onion with a cloth over the foscar. 3. After 2/3 hours, change the onion slices and give new slices. Neem neem naturally contains antiseptic and antibacterial ingredients. Neem is very useful to prevent blister problems in the body. 1. Peel a squash, grate it and squeeze the juice. Then paste and mix a small amount of turmeric powder in it. Apply neem paste on the blister affected area, wait for 30 minutes and wash off. Follow this procedure several times a day to get rid of blisters quickly. 2. Another easy way is to boil the neem leaves in water . When it is cold, clean the affected area with this water several times a day.