HowStuffWorks does not recommend popping a fever blister, or cold sore, as doing so allows the liquid inside to spread the virus. There are many steps to take that encourage healing of a fever blister.Know More
HowStuffWorks explains that many over-the-counter topical medications treat fever blisters. Anesthetics, such as lidocaine and benzocaine, control pain. Prescription anti-viral drugs encourage the healing process.
HowStuffWorks also identifies some home remedies that lessen the impact of fever blisters. Warm or cold compresses help the area feel more comfortable. The site advises discarding one's old toothbrush and using a new one when a fever blister develops to minimize exposure to the virus. After the blister has completely healed, this toothbrush needs to be discarded as well in favor of another new toothbrush. This makes it less likely that new blisters develop.Learn More
According to Everyday Health, it's best to cover a blister with a bandage for protection until it dries. This is particularly important to help decrease the risk of infection if the blister has been popped.Full Answer >
A blood blister on the tongue is called angina bullosa hemorrhagica, or ABH, and is the collection of blood under the skin of the tongue, according to Medscape. It is usually not associated with any other medical issues.Full Answer >
When blisters are small, the safest approach is to avoid popping them; however, if they are on a weight-bearing area of the foot that prevents walking, Mayo Clinic recommends draining the blister using a disinfected needle. Disinfecting a needle involves wiping it with rubbing alcohol.Full Answer >
WebMD advises against popping or breaking blisters from spider bites or other causes. Instead, it is best to cover them loosely with a clean bandage or leave them uncovered. Additionally, it is important not to apply pressure to the blister.Full Answer >