You experience a high fever or a sudden, "thunderclap" headache. You have vision changes or a stiff neck.
Most sinus infections are viral and resolve within 7–10 days. You can manage dizziness at home with these strategies: can a sinus infection make you dizzy
| Feature | Sinus-Related Dizziness | Other Causes (e.g., BPPV, Low Blood Pressure) | | :--- | :--- | :--- | | | Often triggered or worsened by head movement, changes in altitude, or blowing the nose. | BPPV triggered by rolling over in bed; BP issues triggered by standing up quickly. | | Accompanying Symptoms | Facial pain/pressure, thick nasal discharge (yellow/green), congestion, headache, low-grade fever. | Often occurs in isolation (though nausea is common). | | Duration | Persists as long as the congestion persists; usually improves as the infection clears. | BPPV attacks are short bursts (seconds); BP issues resolve quickly upon sitting/lying down. | You experience a high fever or a sudden,