Health Library

The Health Library is a collection of health and wellness resources created for learning and accessibility. Select a topic below for related health information or search for a topic in the search bar for more information on other medical conditions.

Nail Problems and Injuries

  • Minor fingernail and toenail problems are common. At one time or another, almost everyone has caught a nail on something, causing it to rip, or has smashed a finger in a door, leaving blood under the nail. These kinds of injuries can be quite painful but are usually not serious. You can often relieve pain and prevent...

  • A hangnail is the strip of skin that separates from the side of the cuticle. Simple home treatment can help prevent problems with hangnails. Do not pull at or bite off a hangnail. This may cause the skin to rip. Clip off the hangnail neatly with...

  • Minor fingernail and toenail problems are common. At one time or another, almost everyone has caught a nail on something, causing it to rip, or has smashed a finger in a door, leaving blood under the nail. These kinds of injuries can be quite painful but are usually not serious. You can often relieve pain and prevent...

  • What is an ingrown toenail? An ingrown toenail is a toenail that has grown into the skin instead of over it. This usually happens to the big toe, but it can also happen to other toes. An ingrown toenail can get infected. It may be painful, red, and swollen, and it may drain pus. See a picture of an ingrown toenail...

  • Minor fingernail and toenail problems are common. At one time or another, almost everyone has caught a nail on something, causing it to rip, or has smashed a finger in a door, leaving blood under the nail. These kinds of injuries can be quite painful but are usually not serious. You can often relieve pain and prevent...

  • What causes a detached nail? It can be very painful to tear or rip your nail from the nail bed. A nail may separate from the nail bed (detach) for many reasons, including: Injuries. Separation caused by injury is common in people who have long fingernails. The nail may pry away from the nail bed when it is hit or...

  • There are many reasons for changes in the shape and texture of the nails. Some changes, such as the minor pitting or the formation of ridges, occur with normal aging. Other changes in the shape and texture of nails include the following: Tube-shaped nails that curve inward (pincer nails) occur more...

  • Many people who have psoriasis have nail changes. This can involve: Pitting on the surface of the nail. Defects in the nail, such as ridges or crumbling nails. Yellowish color to the toenails (and sometimes fingernails). Thickening of the...

  • Home treatment may help repair weak, brittle, or splitting nails: Wear disposable plastic gloves or rubber gloves with cotton liners to protect your hands from water or chemicals. Apply moisturizing lotion directly to your nail. Apply a moisturizer...

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