Types of nasal spray, explained: which one helps a stuffy nose at night?

There are six main types of nasal spray, and they don't all do the same job. Saline rinses and moistens, steroids calm inflammation over days, antihistamines block allergy reactions, decongestants shrink swollen tissue quickly, combination sprays pair two drugs, and ipratropium dries up a runny nose. The best one for a stuffy nose at night depends on what's causing the stuffiness.

This guide walks through each type, how fast it works, how long you can use it and what to watch for. It's general information, not medical advice. For any medicated spray, ask a pharmacist or doctor which one suits you, especially if you take other medicines or have a health condition.

What are the main types of nasal spray?

The main types of nasal spray are saline, steroid, antihistamine, decongestant, combination and ipratropium. They target different problems: dryness and thick mucus, ongoing inflammation, allergy reactions, swollen blood vessels, or a dripping nose. Picking the right one starts with knowing which of those you have.

Here's how they compare at a glance.

The sections below explain each one in more detail.

How does a saline nasal spray work?

A saline nasal spray is salt water. It contains no drug, so it works by rinsing mucus, dust and allergens out of the nose and keeping the lining moist. That makes it the gentlest option and a reasonable first step for any kind of stuffiness, from a dry bedroom to a cold.

The research on saline is more encouraging than you might expect for something so simple. A 2018 Cochrane review pooled 14 studies with 747 adults and children who had allergies. It found that saline rinsing may reduce how bad people rated their symptoms, for up to three months, with no reported side effects. The authors rated the evidence as low quality, because the studies were small and measured things in different ways, and they called saline a cheap, safe option worth more research.

Saline comes as a fine mist spray, which is easy to use at bedtime, or as a larger-volume rinse from a squeeze bottle or neti pot. If you make your own rinse, use distilled, sterile or boiled and cooled water, never straight from the tap. The FDA says tap water isn't adequately filtered or treated for use as a nasal rinse. Our guide on how to use a saline rinse covers the steps.

What does a steroid nasal spray do?

A steroid nasal spray, also called a corticosteroid spray, reduces swelling and irritation inside the nose. The NHS says fluticasone, a common example, helps relieve itching, sneezing and a blocked or runny nose caused by allergic rhinitis and hay fever. Cleveland Clinic says many allergy specialists now consider steroid sprays the most effective first-line treatment for frequent or seasonal allergies.

How fast it works

Steroid sprays are slow starters. The NHS says you won't notice an immediate improvement, because fluticasone takes a few days to take full effect, and some people need 2 weeks or more to get the maximum benefit. It also advises telling your doctor if you feel no better after 7 days, and starting a couple of weeks before hay fever season if you get symptoms at the same time each year.

How long to use it

Steroid sprays need to be used every day to work. The NHS says that for a spray you bought from a pharmacy, you shouldn't use it continuously for more than a month without speaking to a doctor. If a doctor prescribed it, they may advise using it for longer.

Side effects

According to the NHS, common side effects include an unpleasant taste or smell, a dry or sore nose, nosebleeds, a dry or sore throat and headache. Serious side effects are rare. Because only a small amount of the medicine reaches the rest of the body, the NHS says long-term harm is unlikely when you follow the instructions.

What does an antihistamine nasal spray do?

An antihistamine nasal spray blocks histamine, the substance your body releases during an allergic reaction. MedlinePlus says azelastine, the most common example, is used for sneezing, a runny or itchy nose, and congestion. Cleveland Clinic suggests it as an option when you want faster relief from a spray than a steroid can give.

MedlinePlus lists the usual dose as one or two sprays in each nostril, once or twice a day. Possible side effects include a bitter taste, nasal burning, headache, sore throat, dry mouth, nosebleeds, dizziness, nausea and tiredness. It also says children under 6 should not use the nonprescription version.

If allergies are behind your blocked nose at night, our guides to allergies that get worse at night and hay fever and sleep cover the bedroom side of things.

How does a decongestant nasal spray work, and is it safe?

A decongestant nasal spray narrows the swollen blood vessels inside your nose, which opens the airway quickly. The NHS says decongestants give short-term relief from a blocked nose caused by colds, flu, hay fever and sinusitis. They are the fastest-acting option here, and that speed is exactly why they're easy to overuse.

The rebound risk

The NHS says decongestant sprays and drops should not be used for more than 5 days at a time, because using them too long can make your stuffiness worse. Some product labels set a shorter limit, so follow the one on your bottle. This rebound effect is called rhinitis medicamentosa, and we explain why it happens and how to come off a spray in our guide to decongestant spray rebound.

Who should ask first

The NHS says people with high blood pressure, diabetes, an overactive thyroid, an enlarged prostate, glaucoma, or liver, kidney, heart or circulation problems should get advice from a pharmacist or doctor before using a decongestant. The same applies if you take other medicines, since some antidepressants combined with decongestants can cause a dangerous rise in blood pressure. The NHS also says decongestants shouldn't be given to children under 6.

We cover decongestant tablets and sprays side by side, including why some keep people awake, in decongestants for a stuffy nose at night.

What is a combination nasal spray?

A combination nasal spray puts two medicines in one bottle, most often an antihistamine (azelastine) and a steroid (fluticasone). The idea is to get the quick action of the antihistamine and the longer-lasting control of the steroid together.

The evidence for this pairing is solid. In 2012, researchers combined three randomized, double-blind trials with 3,398 people aged 12 and over who had moderate to severe seasonal allergies. Over 14 days, the combination spray reduced nasal symptoms more than fluticasone alone, azelastine alone or a placebo, and the benefit showed up from the first day.

Ask a pharmacist or doctor whether a combination spray suits you. Some products sold for colds also combine ingredients, sometimes including a decongestant, so read the label to know what you're getting and how long you can use it.

What does ipratropium nasal spray do?

Ipratropium nasal spray reduces the amount of mucus your nose makes. MedlinePlus says it's an anticholinergic medicine used for a runny nose from colds, seasonal allergies, and year-round allergic and nonallergic rhinitis. It comes in two strengths for different conditions.

The key limit is that it treats a drippy nose, not a blocked one. MedlinePlus says ipratropium does not relieve nasal congestion, sneezing or postnasal drip. For a cold, the stronger version is usually used three to four times a day for up to four days. For seasonal allergies, it's usually used four times a day for up to three weeks.

Side effects listed by MedlinePlus include nose dryness or irritation, nosebleeds, dry throat or mouth, sore throat, changes in taste and headache. It also warns against spraying it in or near your eyes.

How do you use a nasal spray properly?

Using a nasal spray properly means getting the medicine onto the lining of your nose, not down your throat. Blow your nose gently first, keep your head tilted slightly forward, and aim the nozzle toward the back and outer side of the nostril. Breathe in gently as you spray.

The NHS steps for fluticasone are a good general template:

• Prime a new bottle, or one you haven't used for a few days, by pumping until a fine mist comes out.
• Shake the bottle gently and blow your nose.
• Close one nostril with a finger, bend your head forward slightly and put the nozzle into the other nostril, keeping the bottle upright.
• Breathe in slowly through your nose as you press the pump, then breathe out through your mouth.
• Repeat on the other side if your dose calls for it, then wipe the nozzle and replace the cap.

MedlinePlus gives similar directions for ipratropium and specifically says to point the tip toward the back and outer side of the nose. Don't share a spray bottle with anyone else.

Which nasal spray should you try first?

For most people, the right first spray depends on the pattern of your stuffiness. A few general rules, which a pharmacist can tailor to you:

• A cold or a short-term blockage: saline, or a decongestant spray for a few nights at most.
• Allergies or stuffiness that keeps coming back: a daily steroid spray, started early and used consistently.
• Allergies that need faster relief: an antihistamine spray, or a combination spray.
• A runny nose more than a blocked one: ask a doctor about ipratropium.

If your nose is blocked most nights for weeks, see a doctor. They can check for causes such as a deviated septum or nasal polyps.

Many people use a spray alongside a drug-free option. Nasal strips work mechanically rather than chemically, with no drug involved. We compare the two approaches in nasal strips vs. nasal sprays, and there are more bedtime ideas in how to sleep with a stuffy nose.

Our pick (paid partner): TitanAir Nasal Strips

If you'd like a drug-free option to use next to (or instead of) a spray, our pick is TitanAir Nasal Strips. This is our recommendation, not the result of testing or ranking products ourselves.

Titan says the strips are drug-free external nasal dilators with flexible spring-loaded bands. Titan says to place them just above the flare of the nostrils, on the soft part of the nose rather than the bony bridge, on clean dry skin with no moisturizer. In the morning, it suggests loosening the strip with warm water and peeling slowly from the ends inward. Titan says every batch is third-party tested and certified PFAS-free, and it offers a 30-night guarantee.

Read next

• Decongestant nasal spray rebound: why it happens and how long to use sprays
• Nasal strips vs. nasal sprays for nighttime congestion
• How to unblock your nose before bed

* This content is for informational and educational purposes only and is not medical advice. It is not intended to diagnose, treat, cure or prevent any disease or health condition. Talk to a qualified healthcare provider about your health.