COVID-19 can cause nasal congestion that results in mucus and post-nasal drip. However, other common conditions can cause this sensation. A more common nasal-related effect of COVID is the loss of ...

Post-nasal drip occurs when excess mucus accumulates in the back of the throat or nose, primarily due to allergies, infections, or irritants. Symptoms include throat clearing and coughing.

I had no idea like, I don't have a fever or anything," said COVID and flu patient Pam McLaughlin. McLaughlin, who lives in Sicklerville, New Jersey, went to urgent care with post-nasal drip and a ...