Corticosteroid nasal sprays are medicines you spray into your nose to reduce inflammation. You probably see them for hay fever, chronic sinus symptoms, nasal polyps, or stuffy noses that come back every season. Common names include fluticasone (Flonase), budesonide (Rhinocort), mometasone (Nasonex), and beclomethasone. They don’t act like quick-relief decongestants — they work on the underlying inflammation.
These sprays lower inflammation in the nasal lining, which reduces sneezing, itching, runny nose, and congestion. Most people notice some improvement in a few days, but full effect can take one to three weeks. Use them daily as directed; skipping doses makes them less effective. Unlike oral steroids, nasal corticosteroids deliver the drug right where it’s needed, so systemic side effects are uncommon at normal doses.
Getting the technique right matters. Blow your nose gently first. Shake the bottle if the instructions say so, remove the cap, and prime the pump the first time. Tilt your head forward slightly. Aim the spray away from the middle septum (point toward the outer wall of your nose), insert the nozzle, breathe in gently, and press the pump. Don’t sniff hard — a gentle inhalation is enough. Wipe the nozzle and replace the cap.
Use the lowest effective dose. Common adult doses are one or two sprays per nostril once or twice daily depending on the product. For kids, follow pediatric dosing on the label or your doctor’s directions. If symptoms don’t improve after two to three weeks, check with your doctor — they may adjust dose or try another option.
Side effects are usually mild: nasal dryness, mild burning or stinging, and sometimes nosebleeds. Saline rinses, a humidifier, or reducing dose can help. Rarely, frequent high doses over long periods can affect growth in children or cause systemic steroid effects — that’s why follow-up matters. If you have recent nose surgery, untreated nasal infection, or recurrent nosebleeds, ask your doctor before starting a spray.
Interactions are minimal, but tell your doctor about strong inhaled or oral steroids you use. If you’re pregnant or breastfeeding, discuss options with your provider — some sprays have better safety data than others.
Practical tip: set a daily reminder on your phone so you don’t skip doses. If you miss one dose, take the next scheduled dose — don’t double up. For allergy season, start the spray a few days before symptoms usually begin for better control. When in doubt, a quick call to your pharmacist or doctor will clear things up fast.
Store sprays at room temperature away from heat and freeze. Check the expiry date and toss if it’s passed. Combining a nasal steroid with an oral antihistamine often gives better relief for seasonal allergies, but ask your doctor before mixing treatments. Keep track of symptom changes in a simple diary to share at follow-up visits. Bring questions too.