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Exercise-induced rhinitis: when your body pedals… and your nose does too
If you’ve ever felt like you needed to go out with a roll of paper towels for a simple bike ride, rest assured: you’re not alone. This phenomenon, which scientists call exercise-induced rhinitis, affects a great many cyclists, whether they are pros or amateurs. We asked a few regular road riders around us, and the answers are as telling… as they are sometimes slightly wet.
By Jeff Tatard – Photos: depositphotos.com
A completely normal reaction
From the first minutes of sustained effort, especially on the bike, breathing accelerates and becomes deeper: this is called hyperventilation. This phenomenon is completely natural, as it allows the body to oxygenate in response to the increased energy demand. But this hyperventilation has a rather unexpected side effect: it quickly dries out the nasal mucous membrane.
In response, our body starts to produce more mucus to compensate for this dryness, maintain a certain humidity, and protect the respiratory tract. “It’s as if my nose activates an automatic watering system as soon as I exceed 25 km/h,” jokes Titi, who rides all year round, in all weather.
Cold, dry air, the main trigger
The situation obviously worsens when weather conditions are unfavorable. In winter, or simply when it’s cool and dry, the inhaled air is particularly harsh on the mucous membranes. The result: a veritable nasal cascade can set in from the very first kilometers.
Fred, an avid cyclist, sums it up well: “As soon as it’s below 8 °C, I know I’m going to spend the ride sniffing. It’s as if my nose categorically refused the slightest draft.” This is not an exaggeration: the mucous membranes react to dry air by overproducing fluid, a bit like a self-cleaning system… sometimes a little too enthusiastic.
Not an allergy, but a physiological reaction
Unlike allergic rhinitis (which is often accompanied by sneezing, itching, or watery eyes), lexercise-induced rhinitis is generally accompanied only by a clear and fluid nasal discharge. It stops shortly after the effort ends, and is not pathological.
Titi, who has been training with a club for several years, long confused it with a form of seasonal allergy. “I thought I was allergic to nature… until I realized it also happened to me on the indoor trainer!” he says, laughing.
Tips to limit the problem
So, what to do? We asked Doctor Laurent Aumont, sports doctor at IMS PREFONTAINE in Saint-Germain-en-Laye. A few simple strategies can help reduce this unglamorous side effect:
- Warm up gradually, to allow the mucous membrane time to adapt to the effort.
- Wear a neck warmer or a light buff over the nose, to warm and slightly humidify the inhaled air.
- Drink regularly, as good hydration promotes better mucus regulation.
- And most importantly: avoid self-medicating with decongestants, which can worsen the problem in the long term.
Olavo, our Portuguese cycling friend, who swears by long mountain rides, has found his solution: “Since I started wearing a buff even in spring, I’ve significantly reduced my tissue breaks. And as a bonus, I look faster, even when I’m not.”
Even the pros experience it
In the pro peloton, the phenomenon is well known. It is not uncommon to see riders perform a small, discreet but effective “side spray” during a climb. This gesture, dubbed a snot rocket by English speakers, is part of the experienced cyclist’s survival kit.
So no, you’re not weird if your nose decides to do its own thing during your rides. It’s just an intelligent — but a little too demonstrative — reaction of your body to the effort. While waiting for the next climb, we advise you to keep a tissue within reach… or to adopt Cédric’s technique: the buff, the style, and peace for your nose.
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