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Common Cold

Medical Editor: William C. Shiel Jr., MD, FACP, FACR

Doctor to Patient

Air Travel, Colds, and Sinus Infections

Medical Author: Melissa Conrad Stöppler, MD
Medical Editor: Jay W. Marks, MD

Get tips for traveling when you've got a cold.People with severe colds and sinus infections know that air travel can be painful. During a flight, the air pressure in the sinuses (collections of air within the facial bones) and middle ear must equilibrate with the cabin pressure inside the airplane, which changes during ascent and descent. Certain infections and other conditions can cause blockage in the Eustachian tube (which connects the middle ear to the back of the nose and maintains equal air pressure on both sides of the eardrum) or in the sinus openings, and this restriction to the flow of air can prevent the equalization, or equilibration, of pressure and result in pain. Examples of conditions blocking the equilibration of air pressure in the ears or sinuses include congestion caused by colds or allergies, middle ear infections, and sinus infections.

Pain is not the only symptom that may occur when the Eustachian tube is blocked. The pressure changes inside the middle ear may sometimes lead to vertigo (a sense of "spinning"), tinnitus ("ringing" in the ears) or hearing loss. In severe cases, rupture of the tympanic membrane (eardrum) may occur.

Most doctors would agree that avoiding flying when you have an active sinus or ear infection is the best way to prevent pain and possible complications, but if flying is a necessity, decongestants can be used in an attempt to overcome some of the blockages to air circulation. Both systemic (taken orally) and topical (nose drops or nasal sprays) can be used to treat congestion. Over-the-counter pain relievers can also be used to help control discomfort.


Doctor to Patient

What is the common cold, and what causes it?

The common cold, also known as a viral upper respiratory tract infection, is a contagious illness that can be caused by a number of different types of viruses. Because of the great number of viruses that can cause a cold and because new cold viruses develop, the body never builds up resistance against all of them. For this reason, colds are a frequent and recurring problem. In fact, on average, preschool children have nine colds a year, those in kindergarten, 12 colds a year; and adolescents and adults, seven colds per year.

What are the symptoms of the common cold?

Symptoms of a common cold include nasal stuffiness and drainage, sore throat, hoarseness, cough, and perhaps a fever and headache. Many people with a cold feel tired and achy. These symptoms typically last from three to 10 days.

How is the common cold spread?

The common cold is spread mostly by hand-to-hand contact. For example, a person with a cold blows or touches his or her nose and then touches someone else who then becomes infected with the virus. Additionally, the cold virus can live on objects such as pens, books, and coffee cups for several hours and can be acquired from such objects. While common sense would suggest that coughing and sneezing spread the common cold, these are actually very poor mechanisms for spreading a cold.

Does it have anything to do with exposure to cold weather?

Going out into the cold weather has no effect on the spread of a cold. The reason that there appears to be a relationship is that people spend more time indoors during the cold winter weather. In fact, however, it is the proximity to other people rather than the temperature outside that seems to be the culprit. For this same reason, children in daycare or kindergarten are particularly prone to having colds.



Next: Are antibiotics a suitable treatment for the common cold? »



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Last Editorial Review: 4/16/2007





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