Can Sinus Problems Cause Lightheadedness Instant

It is vital to distinguish this from inner ear problems (like BPPV or labyrinthitis), which are often misattributed to sinuses.

Sinus inflammation often blocks the Eustachian tubes, which connect your middle ear to your throat. This prevents pressure equalization, making you feel "clogged" or woozy. can sinus problems cause lightheadedness