2 doctors weighed in:

How do you know when a runny nose is contagious?

2 doctors weighed in
1 doctor agrees

In brief: If it isn't allergic

Then it's probably contagious.
Allergic runny nose tends to be very watery and "itchy".

In brief: If it isn't allergic

Then it's probably contagious.
Allergic runny nose tends to be very watery and "itchy".
Dr. Anatoly Belilovsky
Dr. Anatoly Belilovsky
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Dr. Jonathan Jassey
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