Nail fungus — known by the scientific name of onychomycosis — is a fungal infection of the nail. It can occur on the toenail or fingernail but is most common on the toes. It causes whitening and ...

Fingernail fungus can take time to clear up, and it may be several months before the affected nail grows back. Medical treatments are the only known methods to effectively treat nail fungus. If you’ve ...

Nail fungus and nail psoriasis are two conditions that affect the nails. They have similar symptoms, and you can have both fungus and psoriasis at the same time, but they are different and have ...

To find out if yellow nails are due to a deficiency, you'll need a blood test to check nutrient levels. Once a deficiency is ...

Dear Doctors: Right after I got a manicure, the skin around two of my fingernails got red and really swollen. My roommate says it can happen when the manicurist cuts your cuticles. Is that true? You ...

Toenail fungus can turn an otherwise healthy toenail into a discolored, thickened, and cracking one. While fungal toenail infections may be fairly common, this doesn’t mean you should use common ...

As unsightly as it is, the infection is usually manageable — but only with the right treatment. Here’s how to kick it. Credit...Joyce Lee for The New York Times Supported by By Caroline Hopkins Q: It ...

Toenail fungus might start as a mere cosmetic concern, but this persistent infection can develop into a painful, embarrassing condition when left untreated. Known medically as onychomycosis, fungal ...

Paronychia is a skin infection that develops around the nail. It occurs when bacteria or fungi get under the skin. Paronychia can result from biting or chewing the nails, but it is more common when ...

Q: Right after I got a manicure, the skin around two of my fingernails got red and really swollen. My roommate says it can happen when the manicurist cuts your cuticles. Is that true? A: The focus on ...