http://www.severe-headache-expert.com/about-medical-disclaimer.html 2011-09-10T18:26:14-04:00 0.9 http://www.severe-headache-expert.com/images/pressure-headache.jpg Chronic Migraine - the most common cause of severe headache http://www.severe-headache-expert.com/images/dr-raeburn-forbes.jpg A recent picture of Dr Raeburn Forbes, author of www dot severe headache expert dot com http://www.severe-headache-expert.com/acute-headache.html 2011-09-08T17:41:41-04:00 0.9 http://www.severe-headache-expert.com/acute-headache-directory.html 2011-03-17T07:10:34-04:00 0.6 http://www.severe-headache-expert.com/brain-freeze.html 2011-09-11T18:04:20-04:00 0.6 http://www.severe-headache-expert.com/images/pressure-headache.jpg Chronic Migraine - the most common cause of severe headache http://www.severe-headache-expert.com/images/brain-freeze-ice-cream.jpg Ice-cream headache also called brain freeze could be provoked by this strawberry flavour ice-cream http://www.severe-headache-expert.com/brain-imaging-before-lumbar-puncture.html 2011-09-11T18:04:48-04:00 0.5 http://www.severe-headache-expert.com/brain-tumor-symptoms.html 2011-09-11T18:05:14-04:00 0.5 http://www.severe-headache-expert.com/breastfeeding-headache.html 2011-09-11T18:05:40-04:00 0.5 http://www.severe-headache-expert.com/carbon-monoxide-poisoning.html 2011-09-11T18:06:04-04:00 0.5 http://www.severe-headache-expert.com/images/pressure-headache.jpg Chronic Migraine - the most common cause of severe headache http://www.severe-headache-expert.com/images/carbon-mon-forklift.jpg Fuel powered forklift truck, if used in poorly ventilated environment can cause carbon monoxide poisoning. http://www.severe-headache-expert.com/images/open-fire.jpg http://www.severe-headache-expert.com/cardiac-cephalalgia.html 2011-09-11T18:06:28-04:00 0.5 http://www.severe-headache-expert.com/images/pressure-headache.jpg Chronic Migraine - the most common cause of severe headache http://www.severe-headache-expert.com/images/acute-inferior-MI-EKG.jpg A heart tracing (ECG / EKG) of acute inferior myocardial infarction (heart attack) http://www.severe-headache-expert.com/care-after-a-lumbar-puncture.html 2011-09-21T01:38:04-04:00 0.5 http://www.severe-headache-expert.com/carotid-dissection.html 2011-09-11T18:07:18-04:00 0.5 http://www.severe-headache-expert.com/images/pressure-headache.jpg Chronic Migraine - the most common cause of severe headache http://www.severe-headache-expert.com/images/carotid-artery.jpg diagram of the carotid artery courtesy of bartleby.com http://www.severe-headache-expert.com/images/car-dissection-2-ang.jpg angiogram showing dissection of left internal carotid artery, courtesy of JournalofMedicalcasereports.com, creative commons license. http://www.severe-headache-expert.com/cause-of-tension-headaches.html 2011-09-11T18:07:52-04:00 0.5 http://www.severe-headache-expert.com/causes-of-headache-during-sex.html 2011-09-11T18:08:17-04:00 0.5 http://www.severe-headache-expert.com/causes-of-severe-headaches.html 2011-09-11T18:08:45-04:00 0.6 http://www.severe-headache-expert.com/cerebellar-hemorrhage.html 2011-09-11T18:09:11-04:00 0.5 http://www.severe-headache-expert.com/images/cerebellum-draw.jpeg.gif A drawing of the cerebellum http://www.severe-headache-expert.com/images/pressure-headache.jpg Chronic Migraine - the most common cause of severe headache http://www.severe-headache-expert.com/images/cranial-fossae.jpg A drawing of the inside of the skull, looking from above showing the bones that make up the posterior fossa. http://www.severe-headache-expert.com/cervicogenic-headache.html 2011-10-17T17:16:12-04:00 0.5 http://www.severe-headache-expert.com/cervicogenic-headache-pathophysiology.html 2011-09-11T18:09:36-04:00 0.6 http://www.severe-headache-expert.com/cervicogenic-headache-treatment.html 2011-11-13T15:34:09-05:00 0.5 http://www.severe-headache-expert.com/chiari-malformation.html 2011-09-11T18:11:13-04:00 0.5 http://www.severe-headache-expert.com/chronic-headache.html 2012-01-17T13:58:22-05:00 0.6 http://www.severe-headache-expert.com/chronic-migraine.html 2011-09-10T00:56:57-04:00 0.9 http://www.severe-headache-expert.com/cluster-headache-symptoms.html 2011-09-11T18:12:22-04:00 0.5 http://www.severe-headache-expert.com/constant-headache.html 2012-01-13T18:14:15-05:00 0.5 http://www.severe-headache-expert.com/contact.html 2011-11-10T14:03:03-05:00 0.9 http://www.severe-headache-expert.com/images/dr-raeburn-forbes.jpg Picture of Dr Raeburn Forbes; severe-headache-expert.com author http://www.severe-headache-expert.com/cough-headache.html 2011-09-11T18:33:44-04:00 0.5 http://www.severe-headache-expert.com/images/pressure-headache.jpg Chronic Migraine - the most common cause of severe headache http://www.severe-headache-expert.com/images/cough-headache.jpg This man is coughing, which could provoke a severe headache called cough headache http://www.severe-headache-expert.com/csf-sample.html 2011-09-21T01:26:30-04:00 0.5 http://www.severe-headache-expert.com/dehydration-headache.html 2011-09-11T18:40:26-04:00 0.6 http://www.severe-headache-expert.com/diagnostic-lumbar-puncture.html 2011-09-21T00:41:40-04:00 0.5 http://www.severe-headache-expert.com/draculas-teeth-syndrome.html 2011-09-12T01:22:11-04:00 0.5 http://www.severe-headache-expert.com/images/pressure-headache.jpg Chronic Migraine - the most common cause of severe headache http://www.severe-headache-expert.com/images/draculas-teeth-syndrome.jpg http://www.severe-headache-expert.com/eosinophilic-fasciitis.html 2011-09-12T01:22:38-04:00 0.5 http://www.severe-headache-expert.com/images/pressure-headache.jpg Chronic Migraine - the most common cause of severe headache http://www.severe-headache-expert.com/images/eosinophilia.jpg Eosinophils are white blood cells than stain positive with eosin stain and are active in immunological mediated disease and fighting parasitic diseases. http://www.severe-headache-expert.com/exercise-headache.html 2011-09-11T18:29:34-04:00 0.5 http://www.severe-headache-expert.com/exercise-induced-headache.html 2011-09-12T01:32:00-04:00 0.5 http://www.severe-headache-expert.com/exploding-head-syndrome.html 2011-09-12T01:23:16-04:00 0.5 http://www.severe-headache-expert.com/first-ever-headache.html 2011-09-11T18:34:17-04:00 0.5 http://www.severe-headache-expert.com/gabapentin.html 2011-10-17T18:20:24-04:00 0.6 http://www.severe-headache-expert.com/google5def68f2d5aa3515.html 2008-08-20T21:28:33-04:00 0.6 http://www.severe-headache-expert.com/hangover-headache.html 2011-09-11T18:34:44-04:00 0.6 http://www.severe-headache-expert.com/images/SinusPain.jpg Young women who has migraine, showing intense headache of an alcohol-induced headache http://www.severe-headache-expert.com/images/pressure-headache.jpg Chronic Migraine - the most common cause of severe headache http://www.severe-headache-expert.com/images/iStock_000003343914XSmall.jpg Young man looking uncomfortable with headache and stomach pain, suffereing from a hangover, I suspect. http://www.severe-headache-expert.com/hangover-relief.html 2011-09-11T18:35:11-04:00 0.6 http://www.severe-headache-expert.com/headache-back-of-head.html 2011-10-30T04:23:14-04:00 0.92 http://www.severe-headache-expert.com/headache-back-of-head-directory.html 2011-03-18T07:18:50-04:00 0.6 http://www.severe-headache-expert.com/headache-diagnosis.html 2011-09-11T18:13:29-04:00 0.5 http://www.severe-headache-expert.com/images/pressure-headache.jpg Chronic Migraine - the most common cause of severe headache http://www.severe-headache-expert.com/images/Slide8.JPG About one in every 16 acute headache cases in Craigavon Area Hospital has a serious diagnosis such as subarachnoid haemorrhage or meningitis or carbon monoxide poisoning http://www.severe-headache-expert.com/images/Slide7.JPG Non-cephalic infection is a common cause of acute headache with about 20% of cases having this diagnosis http://www.severe-headache-expert.com/headache-differential-diagnosis.html 2011-09-11T18:13:54-04:00 0.6 http://www.severe-headache-expert.com/images/pressure-headache.jpg Chronic Migraine - the most common cause of severe headache http://www.severe-headache-expert.com/images/Slide17.JPG Causes of headache and fever, of which systemic illness headache is the most comon by far http://www.severe-headache-expert.com/images/Slide19.JPG New onset persistent headaches include migraine and serious conditions like temporal arteritis, carbon monoxide poisoning and the neuralgiform headaches http://www.severe-headache-expert.com/images/Slide16.JPG http://www.severe-headache-expert.com/images/Slide18.JPG Migraine aura is the main cause of headache and focal neurological symptoms http://www.severe-headache-expert.com/headache-during-orgasm.html 2011-09-12T01:32:25-04:00 0.5 http://www.severe-headache-expert.com/headache-epidemiology.html 2011-09-11T18:14:20-04:00 0.5 http://www.severe-headache-expert.com/images/Slide3.JPG slide showing that headaches are a very common experience throughout life http://www.severe-headache-expert.com/headache-episodes.html 2011-09-11T18:35:38-04:00 0.5 http://www.severe-headache-expert.com/headache-friendly-lifestyle.html 2011-11-05T03:48:39-04:00 0.5 http://www.severe-headache-expert.com/images/pressure-headache.jpg Chronic Migraine - the most common cause of severe headache http://www.severe-headache-expert.com/images/iStock_000003302467XSmall.jpg Avoid hunger and reduce your risk of headache. Eat well. This picture shows a plate of healthy food. http://www.severe-headache-expert.com/headache-guide.html 2011-09-11T18:14:45-04:00 0.5 http://www.severe-headache-expert.com/headache-medications.html 2011-09-11T18:30:31-04:00 0.5 http://www.severe-headache-expert.com/images/pressure-headache.jpg Chronic Migraine - the most common cause of severe headache http://www.severe-headache-expert.com/images/pill-bowl-3.jpg Bowl of pills, some headache medications are effective, if the diagnosis is correct http://www.severe-headache-expert.com/headache-research.html 2011-09-24T17:01:30-04:00 0.5 http://www.severe-headache-expert.com/headaches-during-pregnancy.html 2011-09-11T18:36:06-04:00 0.5 http://www.severe-headache-expert.com/Headaches_Know_More-headaches-know-more.html 2009-04-19T04:53:40-04:00 0.3 http://www.severe-headache-expert.com/Headaches_Know_More-headaches-know-more-june-09.html 2009-05-19T18:26:11-04:00 0.3 http://www.severe-headache-expert.com/headache-specialist-survey.html 2011-09-23T00:42:22-04:00 0.5 http://www.severe-headache-expert.com/headache-surveys.html 2011-09-25T06:26:31-04:00 0.9 http://www.severe-headache-expert.com/headache-temples.html 2011-09-11T18:41:19-04:00 0.5 http://www.severe-headache-expert.com/headache-top-of-head.html 2011-10-24T17:23:37-04:00 0.5 http://www.severe-headache-expert.com/headache-treatment.html 2011-10-17T17:17:53-04:00 0.9 http://www.severe-headache-expert.com/headache-types.html 2011-10-16T15:00:09-04:00 0.9 http://www.severe-headache-expert.com/hemicrania-continua.html 2011-09-11T18:36:33-04:00 0.6 http://www.severe-headache-expert.com/hypnic-headache.html 2011-09-12T01:23:41-04:00 0.5 http://www.severe-headache-expert.com/images/pressure-headache.jpg Chronic Migraine - the most common cause of severe headache http://www.severe-headache-expert.com/images/HypnicAlarmClock.jpg Hypnic headaches can waken you from sleep - they are called alarm clock headaches - like the alarm clock pictured here http://www.severe-headache-expert.com/ice-pick-headache.html 2011-10-24T17:21:47-04:00 0.6 http://www.severe-headache-expert.com/ice-pick-headache-treatment.html 2011-09-11T18:37:03-04:00 0.6 http://www.severe-headache-expert.com/index.html 2012-01-13T18:09:09-05:00 1.0 http://www.severe-headache-expert.com/indomethacin.html 2011-09-11T18:30:58-04:00 0.6 http://www.severe-headache-expert.com/intracranial-hypotension.html 2011-09-11T18:23:17-04:00 0.5 http://www.severe-headache-expert.com/intracranial-hypotension-diagnosis.html 2011-09-11T18:15:11-04:00 0.5 http://www.severe-headache-expert.com/intracranial-hypotension-treatment.html 2011-09-11T18:15:37-04:00 0.5 http://www.severe-headache-expert.com/intraventricular-hemorrhage.html 2011-09-11T18:16:02-04:00 0.5 http://www.severe-headache-expert.com/images/pressure-headache.jpg Chronic Migraine - the most common cause of severe headache http://www.severe-headache-expert.com/images/ventricles.jpg Drawing of brain, cut through te middle to reveal the cavities inside the brain called the lateral ventricles. http://www.severe-headache-expert.com/location-of-headache.html 2011-09-09T23:28:05-04:00 0.9 http://www.severe-headache-expert.com/lumbar-puncture-complications.html 2011-11-13T04:12:51-05:00 0.5 http://www.severe-headache-expert.com/lumbar-puncture-needle.html 2011-09-21T01:12:32-04:00 0.5 http://www.severe-headache-expert.com/images/pressure-headache.jpg Chronic Migraine - the most common cause of severe headache http://www.severe-headache-expert.com/images/atraumatic-needlereduces-spinal-headache.jpg Image of pencil-point Whitacre type Lumbar Puncture Needle http://www.severe-headache-expert.com/lumbar-puncture-needle-insertion.html 2011-09-21T01:22:08-04:00 0.5 http://www.severe-headache-expert.com/lumbar-puncture-opening-pressure.html 2011-09-21T01:24:37-04:00 0.5 http://www.severe-headache-expert.com/lumbar-puncture-procedure.html 2011-09-20T23:53:12-04:00 0.9 http://www.severe-headache-expert.com/lumbar-puncture-technique.html 2011-09-11T18:47:26-04:00 0.5 http://www.severe-headache-expert.com/lumbar-puncture-tray.html 2011-09-21T00:56:44-04:00 0.5 http://www.severe-headache-expert.com/medication-for-migraine.html 2011-09-11T18:25:31-04:00 0.5 http://www.severe-headache-expert.com/medication-overuse-headache.html 2011-09-11T18:26:24-04:00 0.5 http://www.severe-headache-expert.com/medication-withdrawal-headache.html 2011-09-11T18:26:49-04:00 0.5 http://www.severe-headache-expert.com/migraine-aura.html 2011-09-11T18:49:02-04:00 0.5 http://www.severe-headache-expert.com/migraine-aura-directory.html 2011-03-17T10:07:37-04:00 0.6 http://www.severe-headache-expert.com/migraine-headache-diary.html 2011-09-11T18:27:18-04:00 0.5 http://www.severe-headache-expert.com/images/ice-pick-headache-diary.jpg A headache diary of Ice-pick headache. The pain is a brief spike of pain. http://www.severe-headache-expert.com/images/intracranial-hypotension-diary.jpg A diary of someone with a low pressure headache worse during the second half of the day. http://www.severe-headache-expert.com/images/chronic-migraine-diary.jpg Diary of chronic migraine. There is always some pain in the head and then a more severe headache occurs on top of that. http://www.severe-headache-expert.com/images/severe-constant-headache-diary.jpg Diary of near-maximum pain all day every day. http://www.severe-headache-expert.com/images/pressure-headache.jpg Chronic Migraine - the most common cause of severe headache http://www.severe-headache-expert.com/images/cluster-headache-diary.jpg A diary entry from someone with cluster headache. http://www.severe-headache-expert.com/images/episodic-tension-type-headache-diary.jpg Tension-headache diary showing a mild-moderate pain for a few hours only. http://www.severe-headache-expert.com/images/hypnic-alarm-clock-headache-diary.jpg Diary of hypnic headache with a moderate-severe pain wakening from sleep, and not having its onset during waking hours. http://www.severe-headache-expert.com/images/migraine-headache-diary-interpretation.jpg Diary of a migraine episode. A migraine builds to its peak in about an hour and can linger for about 24 hours or more. It is severe enough to make you want to lie down http://www.severe-headache-expert.com/migraine-headache-symptoms.html 2011-09-11T18:49:31-04:00 0.9 http://www.severe-headache-expert.com/migraine-pregnancy.html 2011-09-11T18:37:31-04:00 0.6 http://www.severe-headache-expert.com/migraine-symptoms.html 2011-09-11T18:37:58-04:00 0.6 http://www.severe-headache-expert.com/migraine-triggers.html 2011-12-02T20:37:39-05:00 0.6 http://www.severe-headache-expert.com/migrana.html 2011-09-18T04:19:47-04:00 0.5 http://www.severe-headache-expert.com/images/pressure-headache.jpg Chronic Migraine - the most common cause of severe headache http://www.severe-headache-expert.com/images/SouthUistMountain2.jpg http://www.severe-headache-expert.com/images/pill-bowl-3.jpg http://www.severe-headache-expert.com/misery-of-chronic-migraine.html 2011-09-11T18:27:43-04:00 0.5 http://www.severe-headache-expert.com/neck-tongue-syndrome.html 2011-09-12T01:24:10-04:00 0.5 http://www.severe-headache-expert.com/images/pressure-headache.jpg Chronic Migraine - the most common cause of severe headache http://www.severe-headache-expert.com/images/hypoglossal-nerve.jpg The hypoglossal nerve has connections with the trigeminal and upper cervical nerves which accounts for referral of pain from the neck to the tongue. http://www.severe-headache-expert.com/images/iStock_000004363062XSmall.jpg http://www.severe-headache-expert.com/neuro-exam.html 2011-09-11T18:16:27-04:00 0.5 http://www.severe-headache-expert.com/news-and-reviews.html 2011-10-16T14:06:39-04:00 0.9 http://www.severe-headache-expert.com/images/ezine-MAG002-200web.png http://www.severe-headache-expert.com/nummular-headache.html 2011-09-12T01:24:37-04:00 0.5 http://www.severe-headache-expert.com/occipital-neuralgia.html 2011-09-11T18:23:40-04:00 0.5 http://www.severe-headache-expert.com/images/pressure-headache.jpg Chronic Migraine - the most common cause of severe headache http://www.severe-headache-expert.com/images/occipital-nerve-block.jpg The point of entry of the occipital nerve is about one inch below and one inch to the side of the bony prominence at the back of your head http://www.severe-headache-expert.com/optical-migranes.html 2011-09-11T18:50:56-04:00 0.6 http://www.severe-headache-expert.com/orgasm-headache.html 2011-09-11T18:16:51-04:00 0.5 http://www.severe-headache-expert.com/images/pressure-headache.jpg Chronic Migraine - the most common cause of severe headache http://www.severe-headache-expert.com/images/coupleproblem.jpg A couple whose relationship is impaired by sexual activity headache http://www.severe-headache-expert.com/pain-behind-the-ear.html 2011-09-11T18:42:16-04:00 0.5 http://www.severe-headache-expert.com/pain-in-eye.html 2011-09-11T18:42:43-04:00 0.5 http://www.severe-headache-expert.com/images/pressure-headache.jpg Chronic Migraine - the most common cause of severe headache http://www.severe-headache-expert.com/images/eye-pain.jpg A cartoon of a man with a brick in the eye http://www.severe-headache-expert.com/pain-in-face.html 2011-10-24T17:37:24-04:00 0.6 http://www.severe-headache-expert.com/pain-in-temple.html 2011-09-11T18:43:39-04:00 0.5 http://www.severe-headache-expert.com/persistent-headache.html 2011-09-11T18:17:19-04:00 0.5 http://www.severe-headache-expert.com/images/pressure-headache.jpg Chronic Migraine - the most common cause of severe headache http://www.severe-headache-expert.com/images/Slide25.JPG http://www.severe-headache-expert.com/pituitary-apoplexy.html 2011-09-11T18:17:45-04:00 0.5 http://www.severe-headache-expert.com/images/pressure-headache.jpg Chronic Migraine - the most common cause of severe headache http://www.severe-headache-expert.com/images/pituitary.jpg Diagram of pituitary gland, sitting just above the sphenoid sinus. Courtesy of Bartleby.com http://www.severe-headache-expert.com/post-lumbar-puncture-headache.html 2011-09-21T01:08:38-04:00 0.5 http://www.severe-headache-expert.com/pounding-headache.html 2011-09-12T01:30:29-04:00 0.5 http://www.severe-headache-expert.com/pregnancy-headache.html 2011-09-12T01:33:15-04:00 0.5 http://www.severe-headache-expert.com/pressure-headache.html 2011-09-11T18:51:48-04:00 0.5 http://www.severe-headache-expert.com/images/pressure-headache.jpg a businessman with pressure headache symptom - most likely this is tension-type headache http://www.severe-headache-expert.com/privacy-policy.html 2011-09-10T18:24:48-04:00 0.9 http://www.severe-headache-expert.com/private-headache-clinic.html 2011-11-12T17:16:21-05:00 0.9 http://www.severe-headache-expert.com/pulsatile-tinnitus.html 2011-10-17T17:10:25-04:00 0.6 http://www.severe-headache-expert.com/images/pressure-headache.jpg Chronic Migraine - the most common cause of severe headache http://www.severe-headache-expert.com/images/carotid-tympanic-petrous-bone.jpg Drawing from Grays Anatomy courtesy of Creative COmons, shows how close carotid artery is to middle ear - no wonder pulsatile tinnitus occurs http://www.severe-headache-expert.com/images/tinnitus-ear-view.jpg A man's ear from the side - if you can hear it ringing it is called objective pulsatile tinnitus http://www.severe-headache-expert.com/red-ear-syndrome.html 2011-09-12T01:25:03-04:00 0.5 http://www.severe-headache-expert.com/images/pressure-headache.jpg Chronic Migraine - the most common cause of severe headache http://www.severe-headache-expert.com/images/ear-model.jpg A model of the ear - the bit that goes red is the fleshy bit on the outside of the ear called the pinna http://www.severe-headache-expert.com/retroclival-hematoma.html 2011-09-11T18:18:18-04:00 0.5 http://www.severe-headache-expert.com/images/pressure-headache.jpg Chronic Migraine - the most common cause of severe headache http://www.severe-headache-expert.com/images/clivus.jpg http://www.severe-headache-expert.com/retropharyngeal-tendinitis.html 2011-09-11T18:24:07-04:00 0.5 http://www.severe-headache-expert.com/images/pressure-headache.jpg Chronic Migraine - the most common cause of severe headache http://www.severe-headache-expert.com/images/retropharyngitis.jpg Calcification of the longus colli tendon seen on axial CT image http://www.severe-headache-expert.com/reversible-cerebral-vasoconstriction-syndrome.html 2011-10-15T09:44:01-04:00 0.5 http://www.severe-headache-expert.com/search-results.html 2011-02-26T16:25:03-05:00 0.6 http://www.severe-headache-expert.com/secondary-headache.html 2011-10-23T16:27:05-04:00 0.5 http://www.severe-headache-expert.com/Severe_Headache_Experts_News__Reviews-severe-headache-news-reviews-oct-2011.html 2011-10-19T01:20:06-04:00 0.3 http://www.severe-headache-expert.com/severe-sinus-headache.html 2011-09-11T18:54:01-04:00 0.5 http://www.severe-headache-expert.com/sharp-head-pain.html 2011-10-24T17:20:39-04:00 0.5 http://www.severe-headache-expert.com/sharp-pain-in-head.html 2011-09-12T01:33:42-04:00 0.6 http://www.severe-headache-expert.com/short-sharp-pain-headache.html 2011-09-11T18:38:50-04:00 0.5 http://www.severe-headache-expert.com/sinus-headache.html 2011-09-11T18:54:50-04:00 0.6 http://www.severe-headache-expert.com/sinus-headache-home-remedies.html 2011-09-11T18:54:27-04:00 0.6 http://www.severe-headache-expert.com/space-travel-headache.html 2011-09-12T01:25:32-04:00 0.5 http://www.severe-headache-expert.com/sphenoid-sinusitis.html 2011-09-11T18:19:20-04:00 0.5 http://www.severe-headache-expert.com/images/pressure-headache.jpg Chronic Migraine - the most common cause of severe headache http://www.severe-headache-expert.com/images/sphenoid-relations.jpg The sphenoid sinus sits deep at the back of the nose and has several cranial nerves running either side of it. http://www.severe-headache-expert.com/strange-headache.html 2011-10-17T17:29:12-04:00 0.9 http://www.severe-headache-expert.com/subarachnoid-haemorrhage.html 2011-09-11T18:19:49-04:00 0.5 http://www.severe-headache-expert.com/subdural-hematoma.html 2011-09-11T18:20:17-04:00 0.5 http://www.severe-headache-expert.com/sudden-severe-headache.html 2011-09-11T18:39:21-04:00 0.5 http://www.severe-headache-expert.com/Supraorbital-neuralgia.html 2011-09-12T01:35:42-04:00 0.6 http://www.severe-headache-expert.com/symptoms-of-a-migrane.html 2011-09-09T12:54:40-04:00 0.6 http://www.severe-headache-expert.com/symptoms-of-migraine.html 2011-09-11T18:28:32-04:00 0.5 http://www.severe-headache-expert.com/symptoms-of-ocular-migraine.html 2011-09-11T18:49:58-04:00 0.5 http://www.severe-headache-expert.com/symptoms-of-tension-headache.html 2011-09-12T01:34:06-04:00 0.5 http://www.severe-headache-expert.com/temporal-arteritis.html 2011-09-11T18:24:34-04:00 0.5 http://www.severe-headache-expert.com/images/pressure-headache.jpg Chronic Migraine - the most common cause of severe headache http://www.severe-headache-expert.com/images/elderly-headache.jpg Elderly lady looking run down with severe temporal headache and malaise of temporal arteritis http://www.severe-headache-expert.com/temporal-arteritis-treatment.html 2011-09-11T18:20:46-04:00 0.5 http://www.severe-headache-expert.com/tension-headache-medicine.html 2011-09-12T01:34:58-04:00 0.5 http://www.severe-headache-expert.com/tension-headache-symptoms.html 2011-09-11T18:39:53-04:00 0.6 http://www.severe-headache-expert.com/tension-stress-headache.html 2011-09-12T01:34:29-04:00 0.5 http://www.severe-headache-expert.com/throbbing-headache.html 2011-09-12T01:31:07-04:00 0.5 http://www.severe-headache-expert.com/thunderclap-headache.html 2011-09-11T18:21:16-04:00 0.5 http://www.severe-headache-expert.com/images/thunderclap_lightningbolt.jpg Thunderclap Headache can stroke like a thunderbolt - out of the blue and is sudden, severe, maximal at onset. http://www.severe-headache-expert.com/images/pressure-headache.jpg Chronic Migraine - the most common cause of severe headache http://www.severe-headache-expert.com/images/sag-sinus-thrombosis.jpg Thrombosis of a venous sinus is a rare cause of thunderclap headache, as shown on this CT Brain Scan (Creative Commons License) http://www.severe-headache-expert.com/thyroid-headache.html 2011-09-12T01:29:56-04:00 0.5 http://www.severe-headache-expert.com/topiramate.html 2011-10-17T18:14:21-04:00 0.6 http://www.severe-headache-expert.com/treatment-of-sexual-activity-headache.html 2011-09-11T18:21:43-04:00 0.5 http://www.severe-headache-expert.com/unilateral-headache.html 2011-10-22T14:20:50-04:00 0.5 http://www.severe-headache-expert.com/images/pressure-headache.jpg Chronic Migraine - the most common cause of severe headache http://www.severe-headache-expert.com/images/unilateral-headache.jpg Picture of harlequin mask - one side remains different from the other http://www.severe-headache-expert.com/venous-sinus-thrombosis.html 2011-02-16T08:47:56-05:00 0.5 http://www.severe-headache-expert.com/images/pressure-headache.jpg Chronic Migraine - the most common cause of severe headache http://www.severe-headache-expert.com/images/ven-sinus-1.jpg A diagram of the veins and sinuses that drain blood from the brain http://www.severe-headache-expert.com/vertebral-dissection.html 2011-09-11T18:25:01-04:00 0.5 http://www.severe-headache-expert.com/images/pressure-headache.jpg Chronic Migraine - the most common cause of severe headache http://www.severe-headache-expert.com/images/vertebral-artery.jpg The vertebral artery starts at the subclavian artery, and enters the transvers bodies of cervical vertebra, before entering the skull, as seen on this diagram from Grays Anatomy. http://www.severe-headache-expert.com/what-causes-headache.html 2011-09-09T23:50:45-04:00 0.9 http://www.severe-headache-expert.com/what-colour-is-your-headache.html 2011-09-23T00:40:44-04:00 0.5 http://www.severe-headache-expert.com/what-is-chronic-migraine.html 2011-09-11T18:29:00-04:00 0.5 http://www.severe-headache-expert.com/what-is-neuralgia.html 2011-09-11T18:52:45-04:00 0.5 http://www.severe-headache-expert.com/what-is-trigeminal-neuralgia.html 2011-09-11T18:53:28-04:00 0.6 http://www.severe-headache-expert.com/xanthochromia.html 2011-09-11T18:22:12-04:00 0.5 http://www.severe-headache-expert.com/images/pressure-headache.jpg Chronic Migraine - the most common cause of severe headache http://www.severe-headache-expert.com/images/csf-tracing-1.jpg Spectrophotometry tracing showing CSF bilirubin and oxyhaemoglobin peaks at 476 and 410 nanometres respectively http://www.severe-headache-expert.com/images/Red_blood_cells.jpg http://www.severe-headache-expert.com/Severe_Headache_Experts_News__Reviews-backissues.html 2011-10-19T01:20:06-04:00 0.4