Let’s start with this, Runner’s Toe, aka black toenails from running, is not required to be in the club and is not a 100% certainty for all runners. We often treat our injuries like war stories. Each ...

Black toenails are usually the result of toenail injury. However, there are other things that can cause a black toenail, including fungal or bacterial infections. Most cases of black toenails aren’t ...

Sarah Jividen, RN, BSN, is a trained neuro/trauma, and emergency room nurse turned healthcare writer. As a journalism major, she combined her love for writing with her passion for high-level patient ...

When Maria Delgado noticed a dark streak under her big toenail, she assumed it was from dropping her gym bag on her foot. Six months later, that seemingly innocent mark led to a diagnosis that saved ...

Tucked inside their favorite pair of running shoes you’ll find what runners consider both a disgusting side effect of the sport and a badge of honor: bruised, black toenails (if the nail is still even ...