What Causes Migraine, Dizziness, Nausea, Blurred Vision And Tremors?
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Detailed Answer:
I read your question carefully and I understand your concern.
Judging from the medications tried you do seem to have exhausted the list of analgesics which can be used at home. There are the triptans, the most used for migraine, but the trouble is that they aren't advised if a basilar migraine is suspected. I am not so sure it is a question of basilar migraine as those symptoms of dizziness could also be simply due to dehydration, however it remains a possibility.
I do agree with my colleague that 8 and even more so 12 days are too many for a simple migraine. They do require medical attention in a hospital setting, starting with hydration, medication to interrupt the status migrainosus (like iv valproic acid, steroids) and a neurological consult to consider other possibilities (if you used pain killers too often in the last months medication overuse headache is another possibility). Where the doctor at the ER might be right is about the necessity of an MRI, that is not necessary by all means if CT is ok, brain lesions causing such headache should be seen on CT, but that doesn't mean you shouldn't be admitted. I am afraid doctors on this site can't help with that though, so I would suggest you return to the ER again. Perhaps the persistence of the symptoms will convince the doctor this time around, if it is the same doctor that is, might be another one more willing to have you admitted.
I remain at your disposal for other questions.
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Detailed Answer:
Hello again!
You do not have to be afraid. The CT is normal so there should be no life threatening issue at play.
You shouldn't be taking medications as lightly as that. As I said in my previous answer one of the possibilities for persisting headache in someone with a history of migraine is medication overuse headache. You mention among your medication hydrocodone and fioricet, both medication prone to cause medication overuse headache if used frequently. So shouldn't add more drugs to the mix that lightly, that doc who recommended them should've thought twice before recommending such prescription only medication like baclofen and lorazepam.
As I said before adding more drugs you should present again at the hospital and ask to be seen by a neurologist. 14 days of headache are not normal. Even if it is no life threatening issue such as medication overuse headache or status migrainosus still they are diagnostic possibilities which necessitate admission and management in a hospital setting.