The average adult may have three or four colds each year. Young children are more susceptible, because their immune systems are not fully developed. There are over 200 cold viruses with 30 percent attacking the nose. These viruses, called rhinoviruses, infect people in late summer and early fall. The other cold viruses are usually contacted in the winter and spring.Cold symptoms begin within one or two days after exposure and may include:
* runny nose,
* sneezing and coughing,
* sore or scratchy throat,
* fever,
* muscle aches and pains,
* hoarseness, or
* headache.

Colds may be transmitted through the air, by direct contact, or by an object used by a cold sufferer. You can catch a cold by:
* Exposure to sneezing or coughing by others.
* Shaking hands and then touching your eyes or nose.
* Handling objects held by someone with a cold.

Antibiotics are ineffective in treating colds. Taking unnecessary antibiotics may contribute to the development of disease resistant bacteria. Rest is an important factor in recovering from a cold. There are other things you can do at home to ease your discomfort. They include:
* Use a humidifier or vaporizer.
* Drink lots of fluids.
* Take a pain reliever as needed. Do not give aspirin to children. Instead, substitute a drug such as acetaminophen or ibuprofen to decrease fever and muscle aches.

To avoid colds:
* Wash your hands often with soap and warm water.
* Eat well and get lots of sleep and exercise to keep up your resistance.
* Keep your hands away from your nose, eyes, and mouth.

Seek medical care if cold symptoms continue longer than two weeks or become severe. You may be experiencing allergies or other medical problems.

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