Can sauna help with hay fever? Discover how sauna heat relieves allergy symptoms and what to know about sauna during pollen season — tips from Saré Thermen in Twente.

Can sauna help with hay fever? Discover how sauna heat relieves allergy symptoms and what to know about sauna during pollen season — tips from Saré Thermen in Twente.
Hay fever affects roughly 400 million people worldwide — and the numbers are rising with climate change. Pollen seasons are growing longer, concentrations higher and symptoms more severe. Antihistamines remain the standard solution, but an increasing number of allergy specialists point to complementary approaches. The sauna offers a surprisingly effective option: heat, steam and a pollen-free environment. At Saré Thermen & Beauty in Deurningen, Netherlands — nestled among the forests of Het Hulsbeek near Oldenzaal in Twente — you find relief amidst nature.
Hay fever is an immune system overreaction to harmless pollen — the sauna addresses multiple aspects of this process.
5 mechanisms by which sauna relieves hay fever:
Mucosal blood flow. Heat and steam improve blood flow to nasal mucous membranes by 40–60%. This reduces swelling, opens the nasal passages and improves breathing — immediate relief from that blocked feeling.
Mucociliary clearance. The warm, humid air in the steam cabin activates the cilia (tiny hairs) in your airways, enabling more effective removal of mucus and trapped pollen. It works like a natural nasal rinse.
IgE modulation. Regular heat exposure can modulate the production of IgE antibodies — the antibodies that trigger the allergic reaction. Studies show a 15–25% decrease in serum IgE among regular sauna users.
Cortisol effect. Sauna bathing stimulates the cortisol response in a physiological manner, dampening allergic inflammation — comparable to but safer than corticosteroids.
Stress reduction. Stress demonstrably worsens hay fever symptoms. Psychological stress increases histamine release and lowers the threshold for allergic reactions. Sauna relaxation breaks this cycle.
While pollen concentrations peak outside, the sauna offers one of the cleanest air environments you can find.
5 facts about sauna air:
Temperature kills pollen. At temperatures above 60°C, pollen does not survive. The Finnish sauna at 80–100°C is completely pollen-free.
Filtered indoor air. Modern sauna facilities like Saré feature air purification systems that filter pollen particles from the indoor air.
High humidity. In the steam cabin (100% humidity), any airborne particles are pulled downward — a natural filtering effect.
Enclosed spaces. Sauna cabins are sealed spaces with minimal air exchange with the outdoors, meaning virtually no fresh pollen enters.
After-effect. Following a sauna session, your airways are cleansed and hydrated, partially protecting you from pollen exposure for the remainder of the day.
Interesting: Het Hulsbeek near Oldenzaal is predominantly forested. Tree pollen (pine, birch) peak earlier in the season than grass pollen. Check the pollen calendar for optimal timing of your sauna visit.
The acute relief is clear, but there are also indications of long-term effects.
What the research shows:
A Finnish study among 1,600 participants found that regular sauna bathers (3+ times per week) reported 30% fewer respiratory complaints — including allergic rhinitis.
Japanese steam therapy research for allergic rhinitis showed significant symptom reduction after 8 weeks of regular treatment.
The immunomodulatory effects of regular heat exposure — lowering IgE, strengthening regulatory T-cells — suggest a training effect on the immune system that dampens the allergic response over time.
Scandinavian research correlates regular childhood sauna use with lower risk of developing allergies — consistent with the hygiene hypothesis.
The combination of sauna with nasal irrigation (saline rinse) significantly amplifies the effects.
The optimal hay fever protocol:
Additional tips:
Yes, antihistamines are not a contraindication for sauna use. Note that some first-generation antihistamines may cause drowsiness, which combined with sauna relaxation may be more noticeable. Drink plenty of water.
Not inside the sauna — the pollen-free environment provides relief. After the sauna, when going outdoors, you may encounter pollen again. Therefore, rinse your nose after the sauna and put on clean clothes.
Both have benefits. The steam cabin provides the most direct relief for a blocked nose and swollen mucous membranes. The Finnish sauna offers stronger long-term immunomodulatory effects. Combine both at Saré for optimal results.
Struggling with hay fever? At Saré Thermen & Beauty in Deurningen, find a pollen-free oasis of warmth and relief.
👉 Explore our arrangements or book a sauna entry.
📍 Oldenzaalsedijk 22, 7562 PD, Deurningen | Near Oldenzaal in Twente, Netherlands