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 ...

Most bruised toenails due to minor injury can be treated at home. Ice and bandages can help, but medical treatment may be needed for a large or painful area. In rare instances, a dark line under the ...