orticosteroid sprays​​ (e.g., fluticasone): Safe for months with proper use; monitor for thrush (rare).

​​Decongestant sprays​​: Limited to 3–7 days to avoid rebound congestion.

​​Saline sprays​​: Generally safe indefinitely

​​How do I dispose of expired nasal sprays?​​

​​Do not flush​​ unless instructed.
Follow local medication disposal guidelines or use take-back programs .

​​Which nasal spray is best for allergies?​​

​​First-line​​: Corticosteroid sprays (e.g., fluticasone, mometasone) for inflammation.
​​Quick relief​​: Antihistamine sprays (e.g., azelastine) for itching/sneezing.
​​Short-term relief​​: Decongestant sprays (e.g., oxymetazoline) for ≤3 days