14 Common Seizure Triggers

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In the wake of a seizure, it’s often difficult to pinpoint the cause. After all, seizures are rather unpredictable and can be triggered by multiple uncontrollable factors. However, if you can nail down a common factor, you may be able to avoid it and control the quantity and severity of your seizures.

Here are 14 common seizure triggers…

1. Missed Medication

Whether it’s intentionally or unintentionally, missing or changing a medication can be a serious seizure trigger. This includes adding a new prescription drug or ceasing to take a supplement, can both trigger seizures and should be done under the strict and gradual guidance of a doctor. People who are epileptic often take medication to help avoid seizures, so when they miss their daily dosage it can provoke not only more frequent seizures, but seizures that are more intense, says Epilepsy Foundation.

In addition to missing medication, some medications like antidepressants (bupropion a.k.a Wellbutrin and Zyban) have been found to cause or increase risk of seizures, as well as antibiotics like penicillinsquinolones, and pain medications like tramadol (sold under the brand name Ultram).

2. Sleep Deprivation

Your sleep and wake cycles can also influence a seizure—especially when you are sleep deprived, overtired or just not sleeping well throughout the night. According to Epilepsy Action, feeling tired, or lack of sleep are the two most common causes of seizures in epilepsy patients. The source also notes that most people experience their first seizure after pulling an all nighter, possibly in college or as a young adult.

“Sleep can affect seizures in many different ways. During normal sleep-wake cycles, changes in the brain’s electrical and hormonal activity occur. These changes can be related to why some people have more seizures during sleep than others, and why not getting enough sleep can trigger seizures,” says Epilepsy Foundation. Of course, there are many people who suffer from epilepsy who don’t experience any correlation between sleep and their seizures.

3. Hormones

Hormonal fluctuations can bring on seizures as well. This factor is extremely risky for women who are experiencing drastic hormonal changes due to being pregnant, menstruation, or going through menopause.

4. Drugs and Alcohol

Excessive use of stimulants—such as drugs or alcohol—can trigger a seizure. This often occurs when a frequent drug or alcohol user is binging or going through withdrawal from drinking or drug use. According to a 2004 study in the journal American Family Physician, an estimated 2 million people go through alcohol withdrawal each year. “People can develop a tolerance to (or dependence on) alcohol, and the wiring in their brains can reflect that,” wrote Health.com. “So when some people quit cold turkey, it leaves their brains in a new, altered state that can set them up for a seizure, usually within 48 hours of their last drink.”

5. Extreme Emotional Stress

Emotional stressors are another primary seizure source. Oftentimes, seizures occur when an individual is under large amounts of worry, anxiety, or even anger. Epilepsysupport.ca notes that essentially, any over-stimulation in terms of emotion has the ability to “lower the person’s resistance to seizures by affecting sleeping or eating habits.” This includes being emotionally upset and even feeling excited.

Health.com notes that seizures triggered by stress look similar to epileptic seizures because they exhibit the same symptoms — numbness, confusion, convulsions, just to name a few. The major difference is in the brain electrical activity.

6. Low Blood Sugar

A well balanced diet consisting of regular meals is important to those prone to seizures. Patients often trace the onset of an attack back to a missed meal or plummeting blood sugar following physical exertion without eating. Low blood sugar can cause seizures because the brain is extremely dependent on glucose. When levels drop too low, the brain has trouble functioning which puts the body at risk for a seizure. This trigger is extremely important for people with diabetes or hypoglycemia.

7. Vitamin Deficiencies

Currently, there is little evidence that any vitamins or amino acids can help treat seizures, or that a lack of any particular vitamin will result in a seizure. But that doesn’t mean we shouldn’t throw caution to the wind! According to Epilepsy.com, the only vitamin deficiency that has been known to trigger seizures is B6, also known as pyridoxine. This vitamin is commonly found in food sources and deficiencies are usually in newborns and children that result in hard to control seizures.

8. Bright Lights

Several medical studies link seizures to environmental stimuli, particularly bright or flashing lights. This is commonly referred to as “photosensitive epilepsy.” According to Epilepsy Society, this type of epilepsy isn’t common, but can be diagnosed with an EEG test. In the case of “Reflex Epilepsy” a seizure will respond like a direct reflex to a photosensitive source (i.e., blinking lights). This doesn’t just include strobe lights. Fast changing lights or quickly changing colours on a television or film screen can just as easily cause a seizure to anyone with photosensitivity.

9. Music

A rare trigger and form of epilepsy is musicogenic epilepsy – which is seizures induced by music. The eiplepsysociety.org.uk states that statistically, this trigger affects only 1 in 10,000,000 people, but there is a potential that it’s slightly greater. Generally, listening to music would be the cause of the trigger, but playing, thinking or dreaming of music can also trigger seizures. For certain people, certain genres such as jazz, choral, classical or pop music will trigger a seizure. In contrast, the Epilepsy Society also notes that for some individuals, specific musical patterns actually assist in controlling seizures. This phenomenon is called the “Mozart Effect.”

10. Fevers Or Other Illnesses

As if being sick isn’t terrible enough, if you’re not careful, it could trigger a seizure. Epilepsy.com suggests this is because an infection or illness, such as a head cold or sinus infection are associated with a change in seizures. If not for the bacteria or virus causing the seizure, seizures related to the illness could be caused by fevers, dehydration (where individuals cannot take their seizure medication), or simply the sheer stress of being sick.

11. Stress

Stress is a common trigger for seizures, but as Epilepsy Action notes, it’s unclear exactly why. What is known is that people who have conditions like epilepsy have noted that if they are under stress or in a stressful situation, they are more likely to experience a seizure.

The source also notes that for many people stress is a stepping stone for other unhealthy habits like drinking more alcohol, getting less sleep, eating unhealthy, feeling anxious or depressed. Not surprisingly, these are all additional factors that can cause seizures which might explain why stress is a common trigger.

12. Monthly Periods

Epilepsy Action also lists monthly periods as a common trigger. Obviously this is only a trigger for women. There have been instances where women suffering from epilepsy have noted they are more likely to experience a seizure at certain times during their menstrual cycle.

“You might have more seizures than usual at certain times in your menstrual cycle. This could be at the start of your period, around the middle of your cycle (when you ovulate) or in the week before your period. When changes in the hormones that control your menstrual cycle cause you to have more seizures, it’s called catamenial epilepsy. Some professionals call catamenial epilepsy cyclical epilepsy,” says Epilepsy Action.

13. Certain Foods

According to the Epilepsy Foundation, some peoples seizures can be triggered by certain food types. While it’s possible, it’s incredibly rare. If someone notices that they are prone to having seizures while eating a certain type of food, they should check with their health care provider to make sure there’s not a medical condition contributing to the problem like food sensitivities.

14. Heatstroke

We’ve all been warned at least once before about heatstroke, and it turns out there’s good reason for it! Heatstroke is a common trigger for seizures, even for people who aren’t prone to having seizures. Health.com notes, “In that kind of heat (and under that kind of exertion), people can have trouble cooling themselves down. Once your internal thermostat reaches about 104 degrees Fahrenheit, you risk damaging your organs, including your brain.”

“The brain doesn’t function as well at higher temperatures,” said Vikram Rao, MD, PhD, an assistant professor of neurology at the University of California, San Francisco to Health.com. Once the brains function is impacted by the heat illness, it can misfire and trigger a seizure.

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