How to Use Nasal Sprays Properly (and Common Mistakes to Avoid)
- Nov 23, 2025
- 5 min read
Updated: Feb 4
Nasal sprays are a simple but powerful way to treat blocked nose, sinus problems, or allergies, but only if they’re used correctly. As a Consultant ENT and Rhinology Surgeon in Portsmouth and Fareham, I often see patients who’ve used nasal sprays for months without success, simply because of technique.
Used properly, steroid or medicated nasal sprays can dramatically reduce inflammation, improve breathing, and prevent the need for surgery.
1️⃣ Shake, Prime, and Aim
Before each use:
Shake the bottle gently (especially steroid sprays, as the medicine settles).
If it’s new or hasn’t been used for a few days, prime it by spraying into the air once or twice.
Lean forward slightly, close one nostril with a finger, and angle the nozzle slightly outward, toward the outer corner of the eye, not straight up the middle.
This prevents the spray hitting the nasal septum (the middle wall), which can cause irritation or nosebleeds.
2️⃣ Breathe Gently
As you spray, breathe in slowly through your nose, don’t sniff hard. The goal is to coat the nasal lining, not pull the spray straight to the back of the throat.
After spraying, breathe out through your mouth. Avoid sneezing or blowing your nose for a few minutes.
3️⃣ Be Consistent, Not Constant
Consistency is everything. Steroid sprays such as fluticasone, mometasone, or budesonide need time to work, usually 6–12 weeks of daily use.
They are safe for long-term use, but using them intermittently (“just when I’m blocked”) makes them ineffective. It’s better to use them once daily, every day, than twice daily for a week then stop.
Tip: Set a reminder on your phone or keep the spray next to your toothbrush — regularity makes the difference.
4️⃣ Avoid Common Mistakes
🚫 Switching brands repeatedly: If one steroid spray hasn’t helped after a full three-month trial, swapping to another won’t make much difference. The next step is to check for structural causes such as a deviated septum or nasal valve collapse.
🚫 Using decongestant sprays for too long: Products like Otrivine or Sudafed Blocked Nose Spray should only be used for 5–7 days. Longer use can cause rebound congestion, making the blockage worse.
🚫 Not cleaning the nose first: If you have crusting or mucus, use a saline rinse or spray (like Sterimar or NeilMed) first, this helps the steroid reach the nasal lining.
🚫 Pointing the nozzle incorrectly: Always aim slightly outward, not toward the septum.
5️⃣ When Sprays Aren’t Enough
If you’ve used a steroid spray correctly for at least three months with little or no improvement, the problem is likely structural, something sprays can’t fix.
Common structural causes include:
Deviated septum
Nasal valve collapse
Post-traumatic deformity
In these cases, surgery such as a functional septorhinoplasty can permanently restore airflow.
At Adnova Clinic, Fareham, I offer consultant-led assessment and treatment for both medical and structural nasal problems, helping patients across Portsmouth, Hampshire, and the south coast breathe better.
To enquire or book an assessment:
📍 Adnova Clinic
More information:
How to Use Nasal Sprays Properly – Frequently Asked Questions (FAQ)
Why don’t nasal sprays work for some people?
In most cases, nasal sprays fail because of incorrect technique or inconsistent use, not because the medication itself is ineffective.
Common reasons include:
Spraying straight up the middle onto the septum
Sniffing too hard so the spray runs into the throat
Using sprays intermittently instead of daily
Stopping too early before they have time to work
When used correctly and consistently, steroid nasal sprays are highly effective for many patients.
What is the correct way to aim a nasal spray?
Always aim the nozzle slightly outward, towards the outer corner of the eye on the same side — not straight up the middle.
This:
Reduces irritation and nosebleeds
Helps the spray coat the inflamed nasal lining
Improves effectiveness
Leaning slightly forward also helps prevent the spray running down the throat.
Should I sniff hard when using a nasal spray?
No.
You should breathe in gently, not sniff forcefully. Sniffing hard pulls the spray straight to the back of the nose or throat, where it is swallowed and wasted.
The goal is to let the spray settle on the nasal lining, where it reduces inflammation.
How long do steroid nasal sprays take to work?
Steroid nasal sprays are not instant.
Most require:
6–12 weeks of daily use to achieve full benefit
They work gradually by reducing inflammation. Using them “only when blocked” makes them ineffective.
Consistency is far more important than dose.
Are steroid nasal sprays safe for long-term use?
Yes.
Modern steroid nasal sprays (such as fluticasone, mometasone, and budesonide) are:
Very low dose
Act locally in the nose
Safe for long-term use under guidance
They are far safer than repeated courses of decongestant sprays or tablets.
Should I switch to a different spray if one doesn’t work?
Usually not.
If you’ve used a steroid spray correctly, daily, for at least three months with no improvement, switching brands rarely helps.
At that point, the problem is often structural, not inflammatory.
Why shouldn’t I use decongestant sprays long-term?
Decongestant sprays (such as Otrivine or Sudafed Blocked Nose Spray) should only be used for 5–7 days.
Longer use can cause:
Rebound congestion
Worsening blockage
Dependence on the spray
This is a very common cause of chronic nasal blockage.
Should I clean my nose before using a nasal spray?
Yes.
If there is mucus or crusting, use a saline spray or rinse first (e.g. Sterimar or NeilMed). This clears the nasal passages and allows the steroid spray to reach the lining properly.
Saline improves the effectiveness of medicated sprays.
When are nasal sprays not enough?
If you have used a steroid nasal spray:
Correctly
Daily
For at least 3 months
…and symptoms persist, the cause is often structural, such as:
Deviated septum
Nasal valve collapse
Post-traumatic nasal deformity
These problems cannot be fixed with sprays and may require surgery.
What should I do if sprays haven’t helped my blocked nose?
At that stage, a specialist ENT assessment is recommended to determine whether the issue is inflammatory or structural.
In Hampshire, assessment is available with Mr Tim Biggs, Consultant ENT & Rhinology Surgeon, at Adnova Clinic or Medicana Winchester.
This allows accurate diagnosis and discussion of whether continued medical treatment or surgery (such as functional septorhinoplasty) is most appropriate.
Key takeaway
Nasal sprays work — but only when used correctly, consistently, and for long enough.
If they still don’t help, the problem is often structural rather than inflammatory, and specialist ENT assessment is the next step.
