Cold versus Allergies - Which one do you have?

Clip thanks to http://www.medstores.net

Colds are caused by hundreds of different viruses. When one of these viruses gets into your body, your immune system attacks. Some of the effects of this immune response are the classic symptoms of a cold, such as congestion and coughing.

The germs that cause colds are contagious. You can pick them up when an infected person sneezes, coughs, or shakes hands with you. After a couple of weeks, at the most, your immune system fights off the virus and you stop having symptoms.

Allergies are caused by an overactive immune system. For some reason, your body mistakes harmless substances -- such as mold or pollen -- for germs and attacks them. Your body releases chemicals such as histamine, just as it does when fighting a cold. This can cause swelling in your nasal passages, a runny nose, coughing, and sneezing. Allergies are not contagious, although some people may inherit a tendency to develop them.

Although there are some differences, cold and allergy symptoms overlap quite a bit. The most important difference is that colds don't last longer than 14 days. If you still have symptoms after two weeks, these may be allergy symptoms.

If you think you may have allergies, or aren't sure, you should see your healthcare provider. They can determine whether your symptoms are caused by a virus (such as the common cold) or by allergies. They can also recommend medications or give you a prescription if you do have allergies. Some common allergy medications are Benadryl, Zyrtec, Allegra, and Claritin. Benadryl, Zyrtec and Claritin are available over the counter and in generic forms. For people with more severe reactions or who do not respond to these medications, a visit to an allergist may be necessary. Allergists will conduct tests to determine the exact causes of the allergies and may prescribe allergy shots to alleviate symptoms.

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Science & Technology

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