Severe dehydration is a life-threatening medical condition caused by excessive fluid loss from the body. You can develop dehydration due to illness, prolonged exposure to heat or by simply not drinking enough fluids. Contact your doctor immediately if you develop any of the symptoms of severe dehydration.

Foot sprains of the ankle ligaments are common, with about 25,000 occurring each day, according to the the American Academy of Orthopaedic Surgeons. Sprains usually result from the ankle turning inward. Tears in ligaments are known as sprains, while tears in muscle are called strains.

A foot sprain occurs when the ligaments that cross the foot tear due to injury, notes Aetna's Intellihealth website. When the ligaments are torn, it's important to see your doctor to find out how bad the sprain is and if you'll need added therapy.

Dehydration occurs when the amount of water leaving the body is greater than the amount being taken in. This can be a serious condition for anyone, but particularly for young children under the age of 2.

Many shoulder injuries need to be treated with ice packs right away to help prevent swelling. If you have a rotator cuff tear, bursitis or another form of inflammation in your shoulder, icing will help relieve pain and reduce inflammation.

Treatment of swelling in the hands and wrist depends in part on the underlying cause of the symptoms. An injury that causes swelling and deformity needs medical attention, as does redness, swelling, pus or streaking around a cut or wound, according to FamilyDoctor.org.

The repetitive punches that a boxer throws during training sessions can lead to injuries of the shoulder involving muscles, ligaments and tendons. Ignoring the pain or “playing through” a shoulder injury and treating it as second nature to your sport can lead to further degeneration of the injured tissues.

Immobilizing the wrist and hand at night with a splint is an effective way to prevent additional injury as a result of conditions such as tendonitis, carpal tunnel syndrome, sprains and fractures. Immobilization while you're asleep can be achieved using a homemade splint.

Most doctors are affiliated with one or more hospitals where they can perform procedures on the patients they see in their offices.

Hot peppers are delicious, but sometimes the flavor of the pepper is followed closely by a burst of heat that makes your mouth feel like it's on fire. Capsaicin, found in all peppers, is the reason for the burn.

The shoulder is a ball-and-socket joint that allows you to move your arms up, down, forward, backward and in and out. According to the American Academy of Orthopedic Surgeons, this flexibility in movement makes the shoulder prone to dislocations.

Paronychia, a bacterial, fungal or yeast infection of the skin around the fingernail or toenail, occurs when the area is damaged by a manicure, biting the nails or trimming a hangnail. High-risk individuals include diabetics and people whose hands are wet all day.