Looking for natural support for hay fever? Spring brings increasing pollen exposure — and for some people, that means itchy eyes, sneezing, a runny or blocked nose and congestion.

Hay fever, also known as seasonal allergic rhinitis, is an allergic response to airborne allergens such as pollen. When you are exposed to a trigger, your immune system responds with inflammation in the lining of the nose and upper airways, producing the familiar symptoms of hay fever.

For some people, hay fever is a relatively mild seasonal nuisance. For others, it can affect sleep, concentration, work, exercise and general quality of life.

If you live in Christchurch, tree pollens begin appearing from around September, with grass pollen becoming increasingly important later in spring. Weather conditions can also influence pollen exposure, with windy conditions and thunderstorms potentially increasing the amount of pollen in the air.

Managing hay fever: medication has an important place

There is an important distinction between supporting your health naturally and trying to replace effective medical treatment.

Antihistamines, corticosteroid nasal sprays, eye drops and saline nasal rinses are established treatments for allergic rhinitis. For people with persistent or more troublesome symptoms, intranasal corticosteroids are an important treatment option, and combination nasal treatments may be appropriate for some people. Allergen immunotherapy may also be considered when symptoms remain difficult to control.

Like all medicines, these treatments can have side effects, and finding the right option and using it correctly matters.

If you need medication to manage your hay fever, there is no reason to view this as being in conflict with natural health care.

The aim isn’t to replace your medication, but to support your health alongside it.

For someone who experiences hay fever year after year, it can be worthwhile looking at the broader picture too — including nutrition, gut health, nutritional status, herbal medicine and practical ways of reducing pollen exposure.

Nutrition and hay fever

There is increasing interest in the relationship between dietary patterns and allergic disease.

Rather than focusing on restrictive diets or avoiding particular foods without a clear reason, I prefer a nutrient-dense, Mediterranean-style approach based around vegetables, fruit, legumes, whole grains, nuts, seeds, olive oil and fish.

A 2026 systematic review and meta-analysis found that greater adherence to a Mediterranean-style dietary pattern was associated with lower odds of rhinitis. However, much of the available evidence is observational, so it cannot tell us that the diet itself prevents or treats hay fever.

Fruit and vegetables also provide vitamin C, polyphenols, fibre and a wide range of other nutrients that support normal immune function.

This doesn’t mean you need to follow a perfect diet during pollen season. Small, sustainable improvements in overall dietary quality are much more useful than a long list of foods to eliminate.

I also don’t recommend blanket elimination diets for hay fever. Food allergy and pollen allergy are different things, and removing foods such as dairy, wheat or sugar simply because you have hay fever isn’t supported by good evidence.

The gut–immune connection

The relationship between the gut microbiome and allergic disease is an area of active research.

Studies have found differences in the gut microbiome of people with allergic rhinitis, although researchers are still working to understand whether these differences contribute to allergic disease or are partly a consequence of it.

Clinical trials of probiotics have produced some encouraging results, including improvements in certain nasal symptoms and quality-of-life measures. However, the effects are strain-specific, meaning that it isn’t accurate to say that all probiotics work in the same way.

One strain that has been studied in allergic rhinitis is Lactobacillus paracasei LP-33, including as an adjunct to antihistamine treatment. Research has found improvements in some measures of quality of life, although results have not been consistent across all outcomes.

This is an area where individualised advice can be useful, particularly if you also experience digestive symptoms.

Vitamin D and vitamin C

Nutrients are another part of the bigger picture.

Vitamin D plays an important role in immune regulation. Lower vitamin D status has been associated with allergic rhinitis, and early clinical research suggests supplementation may benefit some people. However, clinical trials have produced mixed results, so vitamin D is better considered where nutritional status is inadequate rather than as a routine hay fever treatment.

Vitamin C is important for normal immune and antioxidant function and is readily obtained from fruit and vegetables. Ensuring adequate dietary intake makes sense as part of general nutritional support, particularly if your diet is limited. However, there isn’t good evidence that taking high-dose vitamin C specifically treats pollen-induced hay fever.

In other words, the goal is not to take a long list of supplements simply because you have hay fever. It is to identify where nutritional support may actually be relevant to you.

Herbal medicine for hay fever

Herbal medicine can also have a place within a personalised treatment plan.

One herb I find particularly interesting for allergic rhinitis is Nigella sativa, commonly known as black seed.

Several clinical trials have investigated Nigella sativa in people with allergic rhinitis, with some reporting improvements in nasal symptoms. A 2024 systematic review and meta-analysis also found encouraging results, although the authors noted that the evidence base is still limited and the quality and size of the individual studies vary.

For this reason, I would consider Nigella sativa a potential supportive option, rather than a replacement for established allergy treatment.

As with any herbal medicine, the appropriate herb depends on the individual, their health history and the medicines or supplements they are already taking. Herbs are not automatically suitable simply because they are natural.

Reducing your exposure to pollen

Knowing when pollen levels are high can make a practical difference.

Current allergy guidelines support using real-time pollen information and forecasts to help people manage exposure.

Depending on your triggers and how strongly you react, useful strategies can include:

• Checking the pollen forecast before planning outdoor activities.
• Limiting prolonged outdoor exposure when pollen levels are particularly high.
• Taking extra care on windy days, when pollen can become more airborne.
• Showering after spending a lot of time outdoors.
• Washing your hair before bed if you have been exposed to significant amounts of pollen.
• Keeping windows closed when pollen levels are high if this reduces symptoms.
• Avoiding mowing lawns or raking leaves during periods of high pollen exposure.
• Using saline nasal irrigation to help wash allergens from the nasal passages.

If you have asthma as well as hay fever, pollen exposure deserves particular attention. Pollen can worsen asthma symptoms in susceptible people, so it is important that both conditions are appropriately managed.

A supportive approach to hay fever

Hay fever doesn’t have to be an either/or approach.

Appropriate medication can help control symptoms, while nutrition, gut health, nutritional status, selected herbal medicine and practical environmental strategies can provide additional support.

The evidence for many natural approaches is still developing. I think that’s important to acknowledge. Natural health care shouldn’t mean making bigger claims than the research supports.

Instead, the aim is to look at you as a whole person — your symptoms, health history, diet, digestive health, nutritional status, current medications and what you are already doing — and work out where supportive care may genuinely be useful.

If your hay fever returns every spring, or is affecting your quality of life despite your current treatment, a naturopathic consultation can be an opportunity to look at the bigger picture and develop a personalised plan to support your health alongside your existing care.

Interested in exploring how naturopathic care could fit alongside your current treatment?

A free 10-minute clarity call is a good place to start if you’re unsure which consultation would be right for you or whether working together would be a good fit.

Book a free 10-minute clarity call or book a naturopathic consultation.

This article provides general health information and is not a substitute for diagnosis or medical advice. If your symptoms are severe, persistent, affecting your breathing, or you have asthma, speak with your GP or pharmacist about appropriate treatment.