After a record run, you may notice a tiny red bubble on your foot. Don’t panic. This is likely just a blood blister and not a cause for concern. Instead of being filled with clear fluid like a ...

You just got back from a run (that last mile was no joke) and you’re so relieved to finally peel off your sneakers and sweaty socks. But, wait, what’s that on the side of your big toe? Ugh, it’s a ...

Medically reviewed by William Truswell, MDMedically reviewed by William Truswell, MD Most people have had blisters—painful or itchy bubble-like pockets of skin filled with fluid. A common type of ...

Blisters are temporary, fluid-filled pockets on the outer layer of skin. They are most common on the hands and feet. Common causes include repetitive rubbing, such as walking in ill-fitting shoes or ...

You may be tempted to pop a blister, particularly one that's itchy or painful. But in many cases, the fluid that accumulates under a blister (and makes you want to pop it) aids healing. So, the answer ...