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Overview. Sneezing, fever, and a hacking cough are all signs that you could be contagious. Even if you feel all right, your symptoms — or lack thereof — could be deceiving. People with mild illnesses can spread germs, too. Here’s how to tell whether you’re contagious, and if you need to stay home.
ANSWER. Symptoms of a cold can be felt about one to four days after catching a cold virus. They start with a burning feeling in the nose or throat, followed by sneezing, a runny nose, and a feeling of being tired and unwell. This is the period when you are the most contagious, so it's best to stay home and rest.
The common cold contagious period may begin two to three days before symptoms appear and lasts about two weeks. As explained in this eMedTV article, the peak of the common cold contagious period usually occurs between day 2 and day 4 of the cold.
Knowing when you are contagious with a cold is important to avoid spreading your germs to other people—especially those who could develop serious complications from your illness. Cold Symptoms Common cold symptoms include a runny nose, congestion, coughing, headache, and sore throat.
The common cold (viral upper respiratory tract infection) is a contagious illness that may be caused by various viruses. Symptoms include a stuffy nose, headache, cough, sore throat, and maybe a fever. Antibiotics have no effect upon the common cold, and there is no evidence that zinc and vitamin C are effective treatments.
The answer to “how long is a common cold contagious” is fairly simple. As long as the virus is present in nasal discharges, the cold is contagious. Scientists believe that there is more live virus present in nasal secretions between the second and fourth days of infection, so you could say that a person is more contagious during this time period.