Headache - a guide for clinical pharmacists

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Information about Headache - a guide for clinical pharmacists
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Published on July 30, 2008

Author: raeburnforbes

Source: authorstream.com

Headaches – a guide for clinical pharmacists : www.forbesmedical.net www.neurologyfeeds.com www.authorstream.com Headaches – a guide for clinical pharmacists Dr Raeburn Forbes MD(Hons) FRCP Consultant Neurologist Craigavon Area Hospital http://www.authorstream.com Headache is very common : www.forbesmedical.net www.neurologyfeeds.com www.authorstream.com Headache is very common Lifetime Prevalence % Point Prevalence % Rasmussen et al J Clin Epidemiol 1991;44:1147 Random sample 1000 adults, 76% response to structured interview and examination Most headaches are primary : www.forbesmedical.net www.neurologyfeeds.com www.authorstream.com Most headaches are primary Primary Tension-type Migraine Cluster Other primary Secondary Neuralgias Infection / trauma / inflammation / tumour Migraine is most common disabling headache : www.forbesmedical.net www.neurologyfeeds.com www.authorstream.com Migraine is most common disabling headache Episodic Moderate-severe Throbbing / pulsatile Sensory sensitivity Nausea Photophobia Sonophobia Osmophobia Worse with movement ©Nature Medicine 2002 Lifestyle is important in migraine prevention : www.forbesmedical.net www.neurologyfeeds.com www.authorstream.com Lifestyle is important in migraine prevention www.migrainenews.co.uk/migraine-7-steps/ Sleep Hydration Exercise Weight management Stress avoidance / management Effective rescue treatment Effective prophylaxis If lifestyle sorted – try prophylaxis : www.forbesmedical.net www.neurologyfeeds.com www.authorstream.com If lifestyle sorted – try prophylaxis Best evidence: Anti-convulsants – valproate / topiramate / gabapentin Beta-blockers – metoprolol / propranolol / atenolol Tricyclics Fair evidence Magnesium Feverfew extract Butterburr extract (Petasites) Poor evidence Sanomigran Other drugs tested clinically : www.forbesmedical.net www.neurologyfeeds.com www.authorstream.com Other drugs tested clinically Anti-convulsants Carbamazepine Lamotrigine Vasodilators Verapamil / clonidine / nadolol / timolol / flunarizine When migraine gets really bad : www.forbesmedical.net www.neurologyfeeds.com www.authorstream.com When migraine gets really bad Neuroleptics Chlorpromazine / risperidone / quetiapine Serotoninergic antagonists Methysergide Corticosteroids Occipital nerve blockade Methylprednisolone + bupivicaine Intravenous levetiracetam New developments : www.forbesmedical.net www.neurologyfeeds.com www.authorstream.com New developments Gap junction blockers Tonabersat (prophylaxis) (RCT) CRGP antagonists Telcagepant (RCT) Glutamate antagonists Memantine (observational) Neurostimulators Occipital nerve stimulators (observational) Transcranial magnetic stimulators Migraine aura : www.forbesmedical.net www.neurologyfeeds.com www.authorstream.com Migraine aura Visual Sensory Motor Dysphasic Cognitive / amnesic Basilar Funny headaches I know : www.forbesmedical.net www.neurologyfeeds.com www.authorstream.com Funny headaches I know Ice-pick headaches Trigeminal neuralgia Hypnic headache Epicranial neuralgias Red ear syndrome Facial migraine Admitted with headache : www.forbesmedical.net www.neurologyfeeds.com www.authorstream.com Admitted with headache 6% risk serious disease Migraine Systemic illness headache ASMO (thunderclap) Meningitis / subarachnoid Intracranial hyper and hypotension (NB cerebral tumour – usually seizures) Is my headache due to a brain tumour? : www.forbesmedical.net www.neurologyfeeds.com www.authorstream.com Is my headache due to a brain tumour? Only 2% of brain tumour present with headache as their sole clinical feature Focal neurology (seizures / dysphasia/weakness / visual loss) are more common, and headache accompanies these. 13/100,000 / year get brain tumours 4 people in NI each year get brain tumour with headache as sole and persisting feature Summary : www.forbesmedical.net www.neurologyfeeds.com www.authorstream.com Summary Headache is universal symptom Most headaches are not serious Migraine is a preventable and treatablke cause of headache 6% of headache admitted to MAU has serious cause Rare treatable headaches exist More information : www.forbesmedical.net www.neurologyfeeds.com www.authorstream.com More information Migraine www.migrainenews.co.uk Clinical examination / neurology journals www.neurologyfeeds.com Copy of this talk www.authorstream.com Neurology patient Information www.forbesmedical.net Migraine protocol SHSCT : www.forbesmedical.net www.neurologyfeeds.com www.authorstream.com Migraine protocol SHSCT Any takers? A&E MAU Medical-neurology OPC Raeburn.forbes at southerntrust.hscni.net

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