Can sinusitis cause dizziness?

Patients with sinusitis sometimes experience dizziness, but they may be uncertain whether this symptom is caused by sinusitis. So, can sinusitis cause dizziness?

Can Sinusitis Cause Dizziness?

Sinusitis generally does not cause dizziness. Sinusitis refers to inflammation involving the mucosa, submucosa, and sinus cavities of the paranasal sinuses. It may affect a single sinus on one side or multiple sinuses bilaterally, including maxillary sinusitis, ethmoid sinusitis, frontal sinusitis, and sphenoid sinusitis. Based on the causative pathogen, it can be classified as purulent sinusitis or fungal sinusitis.

The primary symptoms of sinusitis include nasal congestion, purulent nasal discharge, hyposmia (reduced sense of smell), and headache—most commonly resulting from nasal obstruction or purulent discharge. These symptoms typically manifest as a sensation of heaviness or stuffiness in the head, rather than true dizziness. Localized tenderness or percussion pain over the affected sinuses may occur; severe cases may present with systemic symptoms such as fever, nausea, loss of appetite, chills, diarrhea, and cough. Headache often occurs in the morning or afternoon and may be associated with hyposmia-induced anorexia. Purulent nasal discharge irritating the pharynx can lead to nausea, cough, and expectoration.

Treatment options—including pharmacotherapy and surgery—depend on disease severity and staging. Many clinical practice guidelines indicate that chronic sinusitis is a condition that cannot be completely cured. Additionally, individuals experiencing symptoms should seek timely medical evaluation and receive appropriate management under the guidance of a physician. We hope this information is helpful to you!