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Let's Talk About . . . Migraine and Dizziness

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Let's Talk About . . . Migraine and Dizziness LET’S TALK ABOUT . MIGRAINE AND DIZZINESS Migraine is almost as common as high blood Key points pressure in the Canadian population. It is more • A migraine is a severe headache. common than asthma or diabetes. An estimated 300,000 Canadians suffer needlessly because they • Of over 300 types of migraine, dizziness is have either been misdiagnosed or not diagnosed a symptom of two: migraine with brainstem with chronic migraine. aura and vestibular migraine. • See a doctor who specialized in headaches for accurate diagnosis. What are the symptoms of migraine with dizziness? • Lifestyle changes may help prevent or lessen the occurrence of migraine. Common symptoms include: • Medication may help prevent migraine. • Visual aura – you may see flashes of light or have blind spots in your vision. • Localized pain behind or near the eye on one Note: Concussion also causes migraine-type side of your head. dizziness – concussion sufferers can substitute the • Light, sound (hyperacusis) and odor sensitivity word “concussion” for “migraine” in the information (hyperosmia). You may have some sensitivity below. daily and increased sensitivity when you have migraine. • Visual vestibular mismatch (the brain’s What is migraine? hypersensitivity to motion) is common in Migraine is a neurovascular headache, meaning it migraine-type brains both episodically and can be triggered by annoyance or disturbance to chronically. Sometimes it will occur without the nerves or blood vessels in the brain. All headache and you may feel “off” for an hour or migraines are caused by the same type of two. neurotransmitter dysregulation and respond to the • Vertigo (spinning sensation) – it may start same treatments. Neurotransmission is the process before the headache (prodromal) or with the where the brain takes in signals and responds. headache (concurrent). Vertigo may be Of more than 300 distinct headache diagnoses, the constant in a few rare individuals. most common is acute episodic migraine. These • Neck pain - 75% of people with migraine have migraines start rapidly and end with no after effects. pain in their neck without any headache. Pain They tend to be unilateral (one-sided) with a that starts in the neck and goes up into the back pulsating quality. Pain is moderate to severe and of your head is caused by migraine, rather than aggravated by physical activity. They can be a problem with your neck. If this pain is accompanied by nausea or vomiting as well as light accompanied by dizziness, the possibility sensitivity (photophobia) or sound sensitivity of vestibular migraine needs to be investigated. (phonophobia). There are two types of migraine with dizziness – Migraine with brainstem aura migraine with brainstem aura (central migraine with dizziness) and vestibular migraine (peripheral Research suggests the firing of nerves in the migraine with dizziness). brainstem causes migraine with brainstem aura. It Children are affected by two episodic syndromes is also called basilar migraine. that may be associated with migraine – benign Symptoms of migraine with brainstem aura paroxysmal torticollis (BPT) and benign paroxysmal include: vertigo (BPV). Children with BPT and BPV often • significant speech disturbance (dysarthria) – have a family history of migraine. this can mimic a stroke and should be SUPPORTING, INSPIRING AND EDUCATING THOSE AFFECTED BY BALANCE AND DIZZINESS DISORDERS LET’S TALK ABOUT . Migraine and Dizziness Balance & Dizziness Canada investigated at the emergency department to be 10% of those with vestibular migraine may on the safe side experience symptoms for 10 seconds or less. This • vertigo (spinning sensation) can be very disconcerting, particularly for those • ringing in the ears (tinnitus) with any anxiety. • sound sensitivity (hyperacusis) Diagnosis of vestibular migraine • double vision (diplopia) It is estimated that about 20% of vestibular • loss of balance (ataxia) migraines are not recognized or are misdiagnosed. • fainting (syncope) Sometimes people are given vestibular In migraine with brainstem aura, one or more of the rehabilitation exercises and, despite diligence, the above symptoms occur over more than 5 minutes. dizziness does not go away. This is because the The symptoms last for at least 5 to 60 minutes and underlying problem has not been addressed. at least one symptom is only on one side. The It is necessary to see a neuro- symptoms are followed by headache, often severe. ophthalmologist, otolaryngologist (ear nose and Diagnosis of migraine with brainstem aura is throat doctor or ENT) or neurologist specializing in typically done by investigation with a CT headaches for accurate diagnosis. To make an (computerized tomography) scan or MRI (magnetic appointment, ask for a referral from your family resonance imaging). If it is stereotypical in doctor or another specialist doctor. presentation, however, these tests may not be The number one barrier to treating vestibular needed. migraine is failed diagnosis. Cost and access to treatment are challenges for some. Physician and patient bias can be problematical. Some physicians Vestibular migraine do not know how to recognize these unusual, atypical forms of migraine. It is important to be Vestibular migraine originates in the inner ear. It is persistent. Do not settle for an offhand diagnosis of more common than migraine with brainstem aura. untreatable vertigo. Vestibular migraine tends to be chronic and harder to treat than migraine with brainstem aura. It is sometimes called migraine-associated vertigo, Management and treatment of migraine-associated dizziness, migraine-related migraine vestibulopathy and migranous vertigo. Symptoms of vestibular migraine After diagnosis, your doctor will likely take the following course of action: Typical vestibular migraine is one-sided, accompanied by a pounding headache and light- or • manage your triggers and comorbids sound-sensitivity as well as nausea. Vestibular (meaning having two chronic diseases or symptoms last from 5 minutes to 72 hours. In some conditions at the same time) rare cases, the vestibular symptoms last 4 weeks • take a complete history of your medications or more, or become a constant that waxes and • come up with a treatment plan wanes. Vestibular symptoms of vestibular Almost all chronic vestibular migraine patients – migraines can include: those who are in pain or are dizzy daily - have • vertigo (sensation that you or your surroundings sleep or mood disorders. It is important that these are spinning) be addressed. Your migraine problem is unlikely to • positional vertigo (starting when you tilt your get better if you are not sleeping well or feeling head to the side) – it can mimic BPPV (benign depressed. Your family doctor can prescribe paroxysmal positional vertigo), but does not medications to adjust your mood and improve respond to typical treatments for BPPV sleep. It is important to • vertigo or nausea brought on by moving your understand depression does not cause dizziness – head living with chronic dizziness, however, can result in depression. SUPPORTING, INSPIRING AND EDUCATING THOSE AFFECTED BY BALANCE AND DIZZINESS DISORDERS 2 LET’S TALK ABOUT . Migraine and Dizziness Balance & Dizziness Canada 50 to 80% of people with migraine-associated home. Even a minor adjustment to a desk- or chair- vertigo overuse analgesics (painkillers). Headaches height can make an enormous difference. that accompany migraine-associated vertigo are Stretching every day and icing your neck can also exquisitely sensitive to anti-inflammatory be helpful. medications such as Advil® (ibuprofen) or If you have acute or episodic migraine, go into a Tylenol® (acetaminophen). Frequent use of these dark room, have a glass of water and lie down. medications – perhaps three times a week – can Essential oils, such as lavender or peppermint, on cause rebound headaches. These may happen your temples or under your nose may help. daily or with greater frequency. Supplementation with magnesium citrate (200mg Patients with comorbid disease, such as a bad three times a day) and vitamin B2, also known as back or neck, may need to take painkillers to riboflavin (400mg daily), will decrease migraine- function. Taking them may also play a role in associated vertigo in about 10% of people. triggering migraine or making it worse. Supplementation must be tried for 6 weeks before effectiveness can be evaluated. Non-medicinal treatment of acute migraine Try to identify foods that trigger migraine. It is likely Medical treatment of acute migraine not a matter of simply giving up one food, such as chocolate. Usually there is more than one trigger or If the treatments above do not work, these overlapping triggers. And sometimes a trigger medicines may help “rescue” you: cannot be found. • NSAIDS (non-steroidal anti-inflammatory drugs) ® ® ® It can be helpful to keep a headache diary for 6 such as Tylenol , Advil , and Gravol – care weeks. Record: must be taken with these medicines because the brain is very sensitive to them • what time you go to bed and get up • IV Maxeran® (metoclopramide) • your activities throughout the day • ergotamines • how your blood sugar feels • tryptans • everything you eat and drink and the time of consumption If your neurotransmitter regulation is off more than 10 days each month – that is, you have more than Migraine thrives on routine. People who usually go 10 days each month when your head does not feel to bed at the same time and get up at the same 100% normal – a strategy to prevent the migraines time, for
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