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An eye contusion is a bruise around the eye, commonly called a black eye. It may occur when a blow is sustained in or near the eye socket. If a bruise appears, it will usually do so within 24 hours of the injury. Source Causes After being struck in the eye or nose, blood leaks into the area surrounding the eye. Risk Factors Participation in high impact sports such as basketball, football, hockey, and boxing Occupations that expose the eye to potential injury, such as manufacturing, construction, and athletics Violence Symptoms A black and blue or purple mark will appear following the injury. There may also be redness, swelling, and tenderness or pain. Once it begins to heal, the contusion may turn yellow.

Avian influenza is a strain of influenza that primarily infects birds. It is often called the bird flu. In Asia and Africa, there have been cases of avian influenza that have infected humans. To date there have been few cases of human illness. However, many infected patients have died. There is also concern that the virus could become more efficient at infecting humans. Some health experts are concerned that this could eventually cause a pandemic of this disease. A pandemic is a worldwide outbreak. However, the virus is not currently increasing in severity.

Bed-wetting is involuntary urination during sleep in children. Typically children become able to sleep through the night without wetting around ages 3 to 5 years. Talk to your doctor if your child has bed-wetting after age 5 years. There are two types bed-wetting (also called enuresis): Primary nocturnal enuresis (PNE)—no periods of nighttime dryness Secondary nocturnal enuresis (SNE)—periods of nighttime dryness longer than 6 months followed by bed-wetting Bed-wetting is common and not related to a medical condition. Most will stop by the time the child reaches puberty. However, bed-wetting remains a problem for up to 1% of adults.

A pressure sore is a lesion that develops on the skin and underlying tissues due to unrelieved pressure usually over a bony prominence. The skin and tissues rely on an adequate blood supply for oxygen and nutrients. When tissues are compressed for an extended period from hours to days, blood supply can be cut off, leading to development of a sore. Source Causes Pressure sores result from lying or sitting in one position for too long a time. Prolonged pressure cuts off the blood supply to tissues that are compressed between a bony area and a mattress, chair, or other object. Without oxygen and nutrients, the

An ankle sprain is a partial or complete tear of the ligaments that support the ankle. Ligaments are strong bands of tissue that cross joints and connect bones to each other. Source Causes Ankle sprains may be caused by: Falling Sudden twisting of the ankle, such as: Stepping on an uneven surface or in a hole Taking an awkward step when running, jumping, or stepping up or down Having your ankle "roll over" when playing sports or exercising (called inversion of the foot)

Source Amoebic dysentery is an intestinal illness associated with stomach pain, bloody stools, and fever. This condition can be treated. Causes Amoebic dysentery is caused by a parasite called Entamoeba histolytica. You may develop amoebic dysentery if you: Put something in your mouth that has touched the stool of a person infected with  E histolytica Swallow water or food that has been contaminated with  E histolytica Touch cysts (eggs) from  E histolytica  -contaminated surfaces and bring them to your

The appendix is a small, tube-like organ that hangs from the large intestine. Appendicitis is inflammation of the appendix. The appendix has no known function. Source Causes Appendicitis usually occurs when the appendix becomes inflamed. This can be caused by something trapped in the appendix, such as: A piece of dried stool A piece of food Tumors Scar tissue Worms Barium after an exam Overgrowth of the lymph tissue of the appendix