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A laceration (cut) is a tear or opening in the skin caused by an injury. Some lacerations are small and need only minor treatment at home.

Lead poisoning is a totally preventable disease. Children ages 1 to 3 who live in low-income housing built before 1978 are especially at risk. Read on to learn more.

Lyme disease is an infection caused by bacteria called Borrelia burgdorferi. The bacteria are usually spread by tick bites. Lyme disease is a year-round problem, but it peaks during the spring and summer months.

Carbon monoxide poisoning is an illness that occurs from breathing in carbon monoxide (CO) gas. It's a medical emergency and needs treatment right away.

A puncture wound is a deep wound made by a sharp object. This type of wound may become infected easily because dirt and germs are carried deep into the tissues.

Both venomous and nonvenomous snakes can bite. It's important to treat all snakebites as if they are venomous. Here's what you need to know.

Most spiders in the U.S. are poisonous. The fangs of most spiders are too short or too fragile to break through human skin. Or their poison (venom) is too weak to cause damage. Most spider bites cause only minor, local reactions. But bites from the black widow and the brown recluse spiders can cause serious problems. Read on to learn more.

A splinter is a sharp sliver of wood, glass, or other debris that is lodged underneath the skin. Removal of small, superficial splinters can usually be done at home. Read on to learn how.

The injury may be to a primary tooth or a permanent tooth. A tooth can be cracked, chipped, or totally detached from its socket.