A member asked:

Can you have a cold and end up with a sinus infection 5 weeks after the cold went away?

A doctor has provided 1 answer

The sequence to a sinus infection involves 2 stages. First the portal allowing air into the sinus is blocked by swelling leading to accumulation of moisture from the walls of the sinus. Second, the invasion of that blocked entrance by a germ that then feasts on the moisture/sugar/protein of that accumulation resulting in infection/pressure. Timing may be slow or fast but weeks is not unusual.

Answered 11/6/2021

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