Deviated septum and a stuffy nose: what to know

The septum separates the nostrils. If it bends, one passage may be narrower, so airflow feels reduced on that side. Congestion can alternate when the normal nasal cycle changes which lining is slightly fuller. A cold, allergic rhinitis, dust-mite allergy, or sinusitis can make the sensation stronger.

A stuffy nose does not establish that the septum is deviated. The timing helps: symptoms after a cold may settle, while long-standing one-sided blockage, mouth breathing, crusting, or reduced smell deserves an examination.

Drink normally, avoid smoke and dusty air, and use gentle saline rinsing or spray only as directed and with safe water practices. A pharmacist can advise whether allergy medication is suitable when sneezing, itching, or clear discharge accompany the blockage. Do not rely on decongestant sprays beyond their recommended use, as rebound congestion can follow.

If obstruction remains, a clinician can inspect the nose and decide whether allergy or sinus care should come first. An ear, nose and throat assessment may clarify whether the septum is a significant structural factor.

Get urgent help for difficulty breathing, swelling around the eye, severe facial pain with feeling very unwell, or a sudden blockage after injury. Book a review for persistent one-sided obstruction, repeated nosebleeds, loss of smell, foul discharge, or symptoms that keep returning.

Ask whether the blockage is structural, inflammatory, or both; whether your symptoms fit allergy or sinus disease; and which treatment is safe for you. Ask when specialist examination or imaging would add useful information.