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Why do we suffer from headaches before a thunderstorm?

Why do some people get headaches in a thunderstorm? [Photo: Getty]
Why do some people get headaches in a thunderstorm? [Photo: Getty]

Been suffering from a headache recently? Well, chances are the weather’s to blame.

It's down to the sudden pressure and temperature changes in the atmosphere.

A rise in temperature or a fall in barometric pressure

, which often accompanies a thunderstorm, may trigger a headache or migraine.

Several studies have found evidence that changes in pressure and temperature, increase the likelihood of headaches occurring.

READ MORE: Mum claims her debilitating migraines were cured after cutting out eggs from her diet

A 2017 study indicated a positive association between the atmospheric pressure and the amount of migraine pain a person experiences.

An earlier study analysed more than 7,000 patients diagnosed with headaches over a seven year period.

Researchers also scoured national weather data to monitor fluctuations in temperature, humidity and barometric pressure within 72 hours of each patient's headache.

As well as finding that an increase in temperature increased chances of getting a headache, they also discovered that headache risk increased by an average of 6% with every 5 millimetre drop in barometric pressure that occurred.

What causes thunder headaches? [Photo: Getty]
What causes thunder headaches? [Photo: Getty]

What do the experts think?

“The association between headaches and migraines being more frequent when there are lightening strikes or thunderstorms relates to a study back in 2013,” explains The Living Well GP, Dr Sonal Shah, GP and Lifestyle medicine expert.

Dr Shah explains that a research team looked at 90 people in Ohio and Missouri and found that that on days with lightning compared with non-lightning days, the overall frequency of headache in their study was increased by 31% and that of migraine by 28%.

READ MORE: Is listening to our internal body clock the key to getting a better night's sleep?

“It's not clear how lightning or its associated meteorologic factors might trigger headaches. However, according to the authors, possible mechanisms could relate to sferics, the low-frequency electromagnetic waves that emanate from electrical storms; positive air ionisation from electrical storms; or the production of irritable aerosols, such as nitrogen oxides and ozone, and allergenic fungal spores,” she says.

Dr Shah points out that the study was very small and had a number of limitations, therefore, it is difficult to draw meaningful conclusions, but according to the NHS those of us who are prone to getting headaches could find that grey skies, high humidity, rising temperatures and storms can all bring on head pain.

“Pressure changes that cause weather changes are thought to trigger chemical and electrical changes in the brain. This irritates nerves, leading to a headache,” the site explains.

If you’re a thunder headache sufferer what can you do about it?

While there’s not much you can do to change the weather, aside from praying to the weather Gods, the NHS suggests checking the forecast so you can predict when you might suffer and take a preventative painkiller a day or two in advance.

For those who have a thunder headache that has already hit, Dr Shah recommends measures such as going for walk, fresh hair, stretching their head and neck or exercise may help relieve it.

“Simple analgesics that can be bought over the counter such as paracetamol and ibuprofen may also be helpful,” she continues.

“I always recommend that migraine suffers keep a headache diary to monitor their symptoms to see if they can self-identify triggers causing their symptoms (stormy weather may be one of them!).

“By showing these to your GP or nurse practitioner they may prescribe you suitable medication to take at the time of your headache or even tablets to prevent them occurring in the first place,” she adds.

“When headaches are becoming frequent or begin to interfere with daily life, this is when you should consult your doctor.

“Finally any headache that is sudden in onset, severe, associated with vomiting, drowsiness, confusion or a rash should be reviewed immediately by a doctor.”

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