Natural Hay Fever Remedies: What the Evidence Actually Says

Natural Hayfever Remedies: What Is Actually Worth Trying?

Hayfever affects a lot of Australians, so it is no surprise that plenty of people look for a non-drug option first. Sometimes that is because symptoms are mild. Sometimes it is because they are tired of taking tablets every spring. Either way, the market is full of products that promise natural relief without making it easy to tell what has evidence behind it and what does not.

Some natural approaches are genuinely useful, especially saline irrigation. Others are harmless but oversold. A few are mostly marketing. This guide separates those groups so you can set realistic expectations and avoid spending money on remedies that sound better on the label than they perform in real life.

The most evidence-supported natural approaches for hay fever symptom relief are saline nasal irrigation — which physically flushes pollen from the nasal passages — and pollen-avoidance strategies such as showering after being outdoors and keeping windows closed on high-pollen days. Butterbur (PA-free extract) has shown promising results in some studies, though the evidence is still limited. Quercetin and vitamin C are widely recommended but have weak clinical support, and local honey has not been shown to reduce hay fever symptoms in controlled studies. When natural approaches aren't enough, antihistamine tablets or corticosteroid nasal sprays are reasonable next steps.

How We Rated Each Remedy

To keep this practical, we have grouped the remedies by the strength of the evidence behind them:

• radio_button_uncheckedGREEN — Reasonable evidence from clinical trials. Recommended or recognised by medical guidelines. Worth trying.
• radio_button_uncheckedAMBER — Some promising evidence but not yet conclusive. May help some people. Proceed with realistic expectations.
• radio_button_uncheckedRED — Little to no quality evidence, or evidence actively shows it does not work. Not recommended for hayfever.

We looked at systematic reviews, randomised controlled trials, and guidance from bodies like the Australasian Society of Clinical Immunology and Allergy (ASCIA) and the TGA. Where evidence is thin, we say so.

GREEN: Saline Nasal Irrigation — The Standout Performer

If you try only one natural remedy for hayfever, make it this one. Saline nasal irrigation involves flushing your nasal passages with a salt water solution using a squeeze bottle, neti pot, or pressurised spray. It physically washes out pollen, mucus, and inflammatory mediators from the nasal lining.

A 2018 Cochrane review found that saline irrigation improves symptom severity, reduces the need for medication, and improves quality of life in people with allergic rhinitis. Large-volume rinses (using a squeeze bottle) appear more effective than simple saline sprays, though sprays are easier and still beneficial.

Best Products for Saline Nasal Irrigation

There are three main options available at Australian pharmacies:

• radio_button_uncheckedLarge-volume squeeze bottle kits (NeilMed Sinus Rinse, Fess Sinu-Cleanse) — most effective. Flush 120-240ml of saline through each nostril. Best for moderate-to-severe congestion.
• radio_button_uncheckedSaline nasal sprays (Fess Original, Fess Sensitive Noses) — easier to use, good for daily maintenance and mild symptoms. Less thorough than a full rinse but convenient.
• radio_button_uncheckedNeti pots — gravity-fed ceramic or plastic pots. Effective but less convenient than squeeze bottles. Available from health food stores and online.

How to Do a Saline Nasal Rinse: Step by Step

If you are using a squeeze bottle kit, the technique is simple once you have done it a couple of times. Here is the basic routine — always follow the instructions that come with your specific device.

• radio_button_uncheckedStep 1 — Wash your hands and prepare the solution. Dissolve one pre-measured saline sachet in the bottle using lukewarm sterile, distilled, or previously boiled and cooled water. Never use untreated tap water.
• radio_button_uncheckedStep 2 — Lean forward over the sink and tilt your head down and slightly to one side, so you are looking into the basin rather than tipping your head back.
• radio_button_uncheckedStep 3 — Place the nozzle gently against the upper nostril to form a seal, then squeeze steadily so the solution flows in one nostril and drains out the other. Breathe through your mouth, not your nose.
• radio_button_uncheckedStep 4 — Use about half the bottle on the first side, then gently blow your nose. Repeat on the other side with the remaining solution.
• radio_button_uncheckedStep 5 — Rinse the device with sterile water, shake out the excess, and leave it to air-dry. Clean it thoroughly per the manufacturer's instructions.

Sprays are simpler — you just aim and spritz — but they deliver far less volume, so they are better for daily maintenance than clearing a heavily congested nose. For a fuller breakdown of how saline compares with medicated decongestant sprays, see our guide on saline versus decongestant nasal sprays.

AMBER: Quercetin — Promising But Needs More Research

Quercetin is a naturally occurring flavonoid found in onions, apples, berries, broccoli, and green tea. It has been shown in laboratory studies to stabilise mast cells — the immune cells that release histamine during an allergic reaction. In theory, quercetin acts as a natural antihistamine.

A 2020 systematic review in Molecules found that quercetin demonstrates anti-allergic properties in vitro and in animal models, including inhibiting histamine release and reducing inflammatory cytokines. However, the leap from lab to real-world benefit is not straightforward. Human studies on quercetin for allergic rhinitis are limited, though a 2013 Japanese randomised controlled trial found that quercetin supplementation significantly reduced eye symptoms in pollen allergy sufferers.

In Australia, quercetin supplements are available over the counter as complementary medicines (AUST L listed with the TGA). They are not approved to claim they treat allergic rhinitis — their listed indications are typically limited to antioxidant activity. Typical supplement doses range from 500-1000mg per day.

Quercetin Supplements Available in Australia

AMBER: Butterbur (Petasites) — Effective But Safety Concerns

Butterbur (Petasites hybridus) is one of the more interesting natural hayfever remedies because it actually has some decent clinical trial data. A 2007 systematic review in the journal Annals of Allergy found that butterbur extract was comparable to cetirizine (Zyrtec) for reducing hayfever symptoms in several randomised controlled trials.

Here is the problem: butterbur in its raw form contains pyrrolizidine alkaloids (PAs), which are hepatotoxic — meaning they can damage the liver. The clinical trials used a specially processed PA-free extract called Petadolex (Ze 339), which removed these toxic compounds. This product is not widely available in Australia and the TGA has raised concerns about PA-containing herbal products.

If you cannot verify that a butterbur product is certified PA-free, do not take it. The potential liver toxicity is not worth the gamble, especially when safe and effective OTC antihistamines are readily available. We have not recommended a specific butterbur product here because of the difficulty sourcing verified PA-free formulations in Australia.

AMBER (Barely): Local Honey — Popular But Evidence is Thin

The theory behind local honey for hayfever is appealing: bees collect pollen from local plants, traces of this pollen end up in the honey, and eating it gradually desensitises your immune system — like a natural form of immunotherapy. It is easily the most popular folk remedy for hayfever in Australia.

There are several problems with the honey theory. Most hayfever in Australia is triggered by wind-pollinated grasses (especially ryegrass), not the insect-pollinated flowers that bees visit. The amount of allergenic pollen in honey is tiny and inconsistent. Real allergen immunotherapy uses precisely measured, standardised doses of specific allergens — honey provides neither consistency nor the right allergens.

A well-designed 2002 study published in the Annals of Allergy, Asthma & Immunology found no difference between local honey, commercially processed honey, and a honey-flavoured placebo for hayfever symptoms. A 2013 Malaysian study did show some benefit, but it used high doses (1g/kg body weight daily) and had a small sample size.

Our verdict: eating local honey is unlikely to harm you (unless you have a bee allergy or are giving it to a child under 12 months — risk of botulism). It is a tasty addition to your diet, but do not rely on it as a hayfever treatment. If it seems to help you, that may be placebo effect — which is still real relief, but not a reason to skip proven treatments when symptoms are significant.

AMBER: Probiotics — Early Signals, Limited Evidence

Because a large part of the immune system lives in the gut, there is growing interest in whether probiotics — the 'good' bacteria found in supplements and fermented foods — can calm the immune overreaction behind hay fever. The idea is biologically reasonable, and a handful of trials have looked at specific strains for allergic rhinitis.

If you want to try a probiotic, treat it as an experiment rather than a proven fix. Choose a product that names its specific strains, give it several weeks, and do not stop your usual hay fever treatment to test it. For a fuller look at choosing a probiotic in Australia, see our probiotic guide. Speak to your pharmacist if you are immunocompromised, pregnant, or taking other medicines.

GREEN: Lifestyle and Pollen Avoidance Strategies

These are not supplements or products — they are practical strategies that reduce your exposure to allergens. They are recommended by ASCIA and allergists as a foundation for managing hayfever, and they are free.

• radio_button_uncheckedCheck pollen forecasts daily — Melbourne Pollen Count (melbournepollen.com.au) and AusPollen provide daily forecasts during season. Stay indoors during high pollen counts when possible.
• radio_button_uncheckedKeep windows and doors closed during high pollen periods, especially on windy days and during thunderstorms.
• radio_button_uncheckedDry clothes indoors or in a dryer during pollen season — clothes on the line collect pollen that you then wear against your skin and breathe in all day.
• radio_button_uncheckedShower and wash your hair after spending time outdoors to remove pollen from your skin and hair before it ends up on your pillow.
• radio_button_uncheckedWear wraparound sunglasses outdoors to reduce pollen contact with your eyes.
• radio_button_uncheckedUse a HEPA air purifier in your bedroom — look for units with a true HEPA filter (captures 99.97% of particles 0.3 microns and larger). Run it overnight with the door closed.
• radio_button_uncheckedAvoid mowing the lawn or gardening during high pollen periods, or wear a P2/N95 mask when you do.
• radio_button_uncheckedIf you have a car, use the recirculate setting on your air conditioning during pollen season rather than drawing in outside air.

RED: Remedies With Little to No Evidence

Vitamin C Mega-Doses for Allergies

Vitamin C has mild antihistamine properties in laboratory settings, and some people take high-dose vitamin C supplements for hayfever. However, there is no convincing clinical evidence that vitamin C supplementation meaningfully reduces hayfever symptoms. A 2018 review found that while vitamin C may have some theoretical benefit through reducing histamine levels, clinical studies have not demonstrated a reliable effect on allergic rhinitis. The Cochrane evidence for vitamin C and colds is also modest at best (see our vitamin C for colds guide). Do not expect it to replace an antihistamine.

Essential Oils (Eucalyptus, Peppermint, Lavender)

Eucalyptus and peppermint oils may provide a temporary sensation of clearer breathing due to menthol-like effects on nasal receptors. However, they do not reduce allergic inflammation, block histamine, or address the underlying immune response. There are no quality clinical trials showing essential oils are effective for hayfever. Some people find them soothing, which is fine, but do not use them as a substitute for evidence-based treatment. Be aware that essential oils can trigger respiratory irritation or allergic reactions in sensitive individuals, and should never be applied undiluted to skin or ingested.

Homeopathy

Multiple systematic reviews and meta-analyses — including a comprehensive 2015 review by the National Health and Medical Research Council (NHMRC), Australia's peak medical research body — have concluded that homeopathy is not effective for any health condition, including allergic rhinitis. The NHMRC found no good-quality evidence that homeopathy works better than placebo. Products such as homeopathic hayfever tablets (often sold in pharmacies) contain ingredients diluted to the point where no active molecules remain. We cannot recommend spending money on these products.

Apple Cider Vinegar

Apple cider vinegar (ACV) is frequently recommended online for hayfever, usually as a daily drink diluted in water. There is zero clinical evidence that ACV has any effect on allergic rhinitis. The proposed mechanisms (alkalising the body, breaking up mucus) are not supported by human physiology. Your body tightly regulates its pH regardless of what you drink. ACV will not reduce nasal inflammation, histamine release, or pollen sensitivity. Save your money.

Natural Hayfever Remedies: Evidence Comparison

When Natural Remedies Are Not Enough: The Treatment Ladder

Let us be direct: if your hayfever is moderate to severe — meaning it disrupts your sleep, affects your concentration at work or school, or makes you miserable for weeks — natural remedies alone are unlikely to control your symptoms adequately. This is not a failure. Hayfever is an immune system overreaction, and sometimes you need medication that directly targets the immune response.

Think of hayfever management as a ladder. You can start with natural approaches and step up as needed:

• radio_button_uncheckedStep 1 — Pollen avoidance strategies and saline nasal irrigation. Free, safe, and a good foundation for everyone.
• radio_button_uncheckedStep 2 — Add a non-drowsy OTC antihistamine (cetirizine, loratadine, or fexofenadine). These are cheap, effective, and well-tolerated. See our best antihistamine guide for comparisons.
• radio_button_uncheckedStep 3 — Add a corticosteroid nasal spray (Nasonex, Flixonase, Rhinocort, Beconase). These are the gold standard for moderate-to-severe nasal symptoms and are available without prescription in Australia.
• radio_button_uncheckedStep 4 — Combination therapy: antihistamine tablet + corticosteroid nasal spray + antihistamine eye drops (Zaditen, Patanol) if eyes are affected.
• radio_button_uncheckedStep 5 — See your GP. If the above is not enough, your doctor may consider prescription options, referral to an allergist, or allergen immunotherapy (desensitisation).

Saline Irrigation Products Compared

Frequently Asked Questions

How do you get rid of hay fever fast?

There is no instant cure, but the fastest-acting options are conventional rather than natural. A non-drowsy antihistamine tablet (cetirizine, loratadine, or fexofenadine) usually starts working within an hour or two, and antihistamine eye drops can ease itchy, watery eyes quickly. Among natural approaches, a saline nasal rinse gives the quickest relief because it physically flushes pollen and mucus out straight away. Corticosteroid nasal sprays work well but take a few days of regular use to reach full effect, so they are better started early in the season than relied on for same-day relief.

What drinks help with hay fever?

No drink has been shown to treat hay fever, so keep your expectations realistic. Staying well hydrated with water can help thin mucus, which may make a blocked nose feel more comfortable. Warm drinks and herbal teas can be soothing, and green tea naturally contains quercetin and other flavonoids — though the amounts are far lower than a supplement dose and there is no good evidence that drinking it eases hay fever. Apple cider vinegar drinks are widely promoted online but have no clinical evidence and can erode tooth enamel.

How do you flush pollen out of your system?

The most direct way to remove pollen from where it triggers symptoms — your nose — is saline nasal irrigation, which rinses pollen and mucus out of the nasal passages. Beyond that, you cannot 'detox' pollen from your body, and you do not need to: showering and washing your hair after being outdoors removes pollen from your skin and hair, rinsing your eyes with saline or cool water can ease eye irritation, and changing out of clothes you have worn outside stops you carrying pollen around the house. There is no special diet, drink, or cleanse that flushes pollen from your bloodstream.

What foods help with hay fever?

No food has been proven to reduce hay fever symptoms, but a balanced diet rich in fruit and vegetables supplies natural quercetin (onions, apples, berries, broccoli) and vitamin C, both of which have been studied for allergies with limited results. Some people find oily fish and other anti-inflammatory foods helpful, though the evidence is weak. Think of diet as general support rather than a treatment. If you have oral allergy syndrome, certain raw fruits and vegetables can actually worsen mouth itching during pollen season — speak to your GP if you notice this.

How can I ease hay fever without medication?

The two non-drug approaches with the best evidence are saline nasal irrigation and pollen avoidance. Rinse your nose with a saline solution to clear pollen, check the daily pollen forecast, keep windows closed and dry washing indoors on high-pollen days, shower after being outdoors, wear wraparound sunglasses, and run a HEPA air purifier in your bedroom. These steps genuinely reduce symptoms for many people. If they are not enough, there is no harm in adding an affordable over-the-counter antihistamine or nasal spray — natural and medicated options work well together.

What natural remedies are safe for children with hay fever?

Saline nasal sprays and gentle saline rinses are widely used and considered safe for children, and pollen-avoidance measures help kids just as much as adults. Avoid herbal supplements such as butterbur and high-dose quercetin in children, as they have not been adequately studied in this age group. Never give honey to a baby under 12 months because of the risk of infant botulism, and remember that honey has no proven benefit for hay fever at any age. Always check with your pharmacist or GP before giving any hay fever product to a child, and confirm that any medicated tablet, spray, or eye drop is suitable for your child's age.

Does local honey really help hayfever?

Probably not in any meaningful way. The theory is appealing — local bees collect local pollen, you eat the honey, your body builds tolerance. But most hayfever is triggered by wind-pollinated grass pollen (especially ryegrass), not the insect-pollinated flower pollen that bees collect. Clinical studies have mostly found no difference between local honey and placebo. It will not harm you, but do not rely on it as your primary treatment.

Is quercetin a good natural antihistamine?

In laboratory tests, quercetin does stabilise mast cells and reduce histamine release. However, translating lab results to real-world symptom relief is a big leap. A few small human studies show some promise, particularly for eye symptoms. If you want to try quercetin, go in with realistic expectations — it is unlikely to be as effective as cetirizine or fexofenadine. It is generally safe, but check with your pharmacist if you take other medications, particularly antibiotics or blood thinners.

Can I use saline nasal irrigation every day?

Yes. Daily saline irrigation is safe for long-term use during hayfever season. Some ENT specialists recommend it as a daily nasal hygiene routine, much like brushing your teeth. Always use sterile, distilled, or previously boiled water — never straight from the tap. Clean and dry your irrigation device between uses according to the manufacturer's instructions.

Are natural hayfever remedies safe during pregnancy?

Saline nasal irrigation is considered safe during pregnancy and is often recommended as a first-line option because it is drug-free. However, herbal supplements including butterbur and high-dose quercetin have not been adequately studied in pregnancy and should be avoided unless specifically approved by your obstetrician or midwife. Always consult your GP or pharmacist before using any remedy during pregnancy or breastfeeding.

Why does the NHMRC say homeopathy does not work?

In 2015, Australia's National Health and Medical Research Council completed the most comprehensive review of homeopathy evidence ever conducted. After assessing over 1,800 studies, they concluded there was no reliable evidence that homeopathy is effective for any health condition. The fundamental principle of homeopathy — that substances become more potent as they are diluted — contradicts established physics and chemistry. The NHMRC concluded that people who choose homeopathy may put their health at risk if they reject or delay treatments that have been shown to be effective.

Can I combine natural remedies with antihistamines or nasal sprays?

Absolutely — and this is what most allergists recommend. Saline irrigation works well alongside medicated nasal sprays: do the saline rinse first to clear mucus and pollen, then use your corticosteroid spray so it reaches the nasal lining effectively. Lifestyle strategies like pollen avoidance and HEPA filters complement any medication regimen. If you are taking quercetin or other supplements, let your pharmacist know so they can check for interactions with your other medications.

The Honest Verdict