The ethmoid sinuses are located between your eyes, very close to the inner ear structures. Severe inflammation and mucus buildup in these sinuses can exert physical pressure on the inner ear. Because the inner ear contains the vestibular system (your body's balance center), any inflammation or pressure here can confuse your brain, resulting in vertigo or lightheadedness.
Fever and persistent nasal discharge can lead to dehydration , which is a standalone cause of lightheadedness. Additionally, severe congestion can reduce proper airflow, potentially causing brain fog or mental fatigue. What Sinus-Related Dizziness Feels Like can sinus infection make you dizzy
If your sinusitis is triggered by allergies, an antihistamine can reduce the underlying inflammation. However, antihistamines can thicken mucus, so they are not ideal for infectious sinusitis. The ethmoid sinuses are located between your eyes,
Sleep with your head elevated on an extra pillow. Lying flat can cause mucus to pool in your sinuses, increasing pressure on your ears. Fever and persistent nasal discharge can lead to