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Td vaccine can prevent tetanus and diphtheria. Tetanus enters the body through cuts or wounds. Diphtheria spreads from person to person.

Varicella vaccine can prevent varicella. Varicella, also called “chickenpox,” causes an itchy rash that usually lasts about a week. It can also cause fever, tiredness, loss of appetite, and headache.

Nasal surgery may be done at your healthcare provider's office, a surgery center, or a hospital. Follow any directions your healthcare provider gives you for how to get ready.

Osteomyelitis is an infection of a bone by a germ (bacteria or fungus). In children, infection in the long bones of the arms and legs are most common. Read on to learn more about this condition, including symptoms, diagnosis, and treatment.

An emergency means you could die if you don't get care quickly. Or you could be hurt permanently. Read below to know when to use, and when not to use, an emergency room.

Although there are several types of headaches, migraine and tension headaches affect the most people. When you have a headache, it isn't your brain that's hurting. Irritated nerves send pain signals to the brain, which identifies where you hurt and how bad the pain is.

A deep vein thrombosis (DVT) is a blood clot in a large vein deep in your leg, arm, or elsewhere in the body. The clot can separate from the vein, travel to the lungs and cut off blood flow. This is a pulmonary embolism (PE). Pulmonary embolism is very serious and may cause death.

Certain infections can spread from person to person. This is why your friend or family member may be put in a special room at the hospital. Here's what you need to know to keep you and your loved one safe.

Cold sores are small blisters or sores on the lip or sometimes inside the mouth. Learn what causes them, their symptoms, and how to prevent them.