Top
10
Doctor insights on: How Long Is A Common Cold Contagious

Share
1

1
How long is a common cold contagious for? And are we contagious even before symptoms appear?

How long is a common cold contagious for? And are we contagious even before symptoms appear?

Common cold: This condition can be caused by a large variety of viruses, the most common is rhinovirus. People are most contagious for the first 2 to 3 days of a cold. A cold is usually not contagious after the first week. Cold symptoms usually start about 2 or 3 days after you came in contact with the virus, although it could take up to a week. Symptoms mostly affect the nose. ...Read more

See 1 more doctor answer
Dr. Heidi Fowler
1,355 doctors shared insights

Common Cold (Definition)

Viral upper respiratory tract infection, or URI, is a condition where there is a viral infection of the nose or throat, causing redness and inflammation, runny ...Read more


3

3
How long is the common cold contagious for? The same applies for the flu and other common infections?

How long is the common cold contagious for? The same applies for the flu and other common infections?

Variable: You are most contagious for a few days before you peak symptoms start for the flu you are also contagious for several days after you become smptomaic. ...Read more

5

5
Let's say I just caught a common cold. What can I expect, and for how long? When will I stop being contagious?

Let's say I just caught a common cold.  What can I expect, and for how long?  When will I stop being contagious?

Common cold: The common cold is caused by over 200 different viruses and is the commonest infection in the world. Symptoms vary: runny nose, congestion, cough, sore throat, headache and general malaise. The infection can come on 2-3 days after exposure (incubation period) and last anywhere from 4 to 14 days. You are infectious as long as you are shedding the virus secretions. ...Read more

See 1 more doctor answer
6

6
How long is someone contagious for when they have the common cold, flu, or bacterial / viral bronchitis?

How long is someone contagious for when they have the common cold, flu, or bacterial / viral bronchitis?

Contagious periods: The contagious period differs for each type of infection, even among different viruses! there is a range of values based on different infections ranging from common cold to influenza. These vary from 24 hours to up to 2 weeks! you should ask your physician what infection you have and for how long you will be contagious. Common sense dictates that respiratory viruses travel by cough or sneeze. ...Read more

7

7
What period of time is someone who has a common cold contagious?

What period of time is someone who has a common cold contagious?

Hard to say: You are probably most contagious for the 48 hours before you show any symptoms. You will stay contagious as long as you have symptoms. You should be careful of what contact you have with others, particularly if they are very old or very young or have an immune problem (including those on chemotherapy). ...Read more

9

9
How contagious is the common cold after I start to feel better?

How contagious is the common cold after I start to feel better?

3 days: You're most contagious 1-2 days before you start feeling symptoms [germs are sneaky that way -- it's easy to pass them around when we don't even know that we're sick!]. You're also contagious the first 3 days you have symptoms. Pass the chicken soup! ...Read more

10

10
Is it true that common cold is contagious the first 3 days only ?

Viral illnesses: Yes. And no. One is most contagious from viral illnesses early on and contagiousness diminishes with time. But it is not as clean cut as your question implies. ...Read more

Contagious (Definition)

One is able to transmit an infection to another by ...Read more