May is made for being outside. The Bruce Trail is calling, the Waterfront Trail is busy with cyclists and joggers, and spring gardens are coming into bloom. After months of cold grey weather, many people are eager to get outdoors and move.

For people living with migraine, that urge can come with a side of anxiety. Bright sunlight, physical exertion, heat, pollen, and the unstructured rhythms of a spontaneous outdoor day are all recognized migraine triggers.

The Outdoor Trigger Breakdown

Understanding which specific outdoor elements affect you most is the first step toward managing them. Sunlight and glare are among the most common. The photosensitivity that is a hallmark of migraine makes outdoor environments with direct sun or reflected light on water, on car windows, on glass buildings is genuinely dysregulating for the nervous system. This is not a preference or a weakness; it is a neurological reality.

Physical exertion has a nuanced relationship with migraine. However, intense exertion, especially without proper hydration, in heat, or when the body is already under stress can trigger what is known as an exertional migraine.

Barometric pressure changes are almost impossible to control for when you are outside. Spring weather in Ontario is famously changeable. Many migraine patients can predict rain systems hours before they arrive because of the characteristic warning headache that barometric drops provoke.

Pollen and air quality round out the seasonal outdoor trigger picture. The inflammatory response to allergens in the nasal sinuses creates a physiological environment that lowers the migraine threshold, particularly in patients who already have some degree of sinus sensitivity.

Rather than staying indoors, many people plan outdoor activity around small, practical choices. Polarized sunglasses can cut down on glare. Staying hydrated before, during and after activity is especially important on warmer spring days, since dehydration is a common and avoidable trigger.

Choosing morning outdoor time rather than peak afternoon heat reduces both temperature and UV exposure.

Keeping a simple diary of outdoor activity, weather, sleep, meals and headache days can help you and your physician spot patterns over time.

Dr. Jared Nabeta and Dr. Kaitlin McCann, General Dentists at Nabeta Dentistry in Burlington, provide therapeutic neuromodulator (botulinum toxin A) treatment for TMD and jaw-muscle pain, and for physician-diagnosed migraine. Call (905) 639-6701 or book at NabetaDentistry.com.

Treatment for migraine is offered only for migraine diagnosed by a physician, alongside the patient’s physician.