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Chapter 13 pt2
Autonomic Drugs/Migraine Medications
31
Pharmacology
Professional
04/20/2013

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Cards

Term
What is a migraine? What does it cause?
Definition
inflammation of the trigeminal nerve, causes moderate to severe headache
Term
Is a migraine typically felt all over the head?
Definition
no, typically felt on one side
Term
What can cause a migraine?
Definition
-stress
-injury
-hormonal changes
-chemical stimuli
-genetics
Term
What are the stages of a migraine?
Definition
1st stage- prodronal
2nd stage
3rd stage
4th stage-postdronal
Term
How long does the 1st stage of a migraine last?
Definition
can last for days before a migraine
Term
What occurs in the second stage, it is always present? How soon is it before the migraine?
Definition
-aura(not always present)
-within hours of migraine
Term
What happens in the 3rd stage of migraines?
Definition
the actual migraine
Term
What happens in the 4th/postdronal stage?
Definition
recovery- may take time
Term
How are migraines rated?
Definition
on a pain scale of 0-3
Term
What is the pain like in stage 0?
Definition
no pain
Term
What is the pain like in stage 1?
Definition
mild pain, does not interfere with usual activities
Term
What is the pain like in stage 2?
Definition
moderate pain, inhibits but does not prevent actitives
Term
What is the pain like in stage 3?
Definition
severe pain, prevents normal activities
Term
What types of medications can be used for preventative migraine treatment? (4)
Definition
-B-blockers
-Ca channel blockers
-tricyclic antidepressants
-anticonvulsants
Term
What are some nonspecific drugs used to treat acute migraine episodes? (2)
Definition
-NSAIDS
-antiemetics
Term
What are some specific drugs used to treat acute migraine episodes? (2)
Definition
-triptans
-dihydroergotamine
Term
When can triptans be used to stop a migraine?
Definition
in any stage except recovery, but the earlier the better
Term
WHat are triptans?
Definition
selective agonists of serotonin (5-HT) receptors
Term
Wat does serotonin do?
Definition
-causes vascoconstriction and this reduces the pressure on the nerve to reduce/stop pain
Term
What are some examples of triptan medications? (4)
Definition
-sumatriptan(Imitrex)
-naratriptan(Amerge)
-eletriptan(Relpax)
-rizatriptan(Maxalt)
Term
What is the onset of triptans like?
Definition
-rapid
-30 mins for tablet, shorter for nasal spray or injection
Term
What are some adverse reactions from triptans?
Definition
increased blood pressure and irregular heartbeat
Term
What are some triptan drug interactions?
Definition
-MAIOs, SSRIs, local anesthetics <-- because these cause increased blood pressure too
Term
What is another form of abortive migraine treatments?
Definition
hypnosis and meditation, can relieve pain and stress in certain migraine suffers)
Term
What is an OTC migraine remedy? What does it contain?
Definition
-Excedrin Migraine
-contains aceta, aspirin, caffeine
Term
What is a fungus that can help with severe, long-term migraines?
Definition
-Ergot derivatives, used to be used for preventative care but anymore because it can cause CNS damage
Term
How do Ergot derivatives work?
Definition
-vascoconstrictors of cranial tissue
-expensive but fast acting
Term
What is the duration of Ergot derivatives like? What pregnancy cat is it?
Definition
-longer than triptans
-preg cat X
Term
What is a anticonvulsant used to treat migraines? How does it work?
Definition
-topiramate(Topamax)
-mechanism of action is unknown but it seems to work for a lot of people
Term
What is a b-blocker used to treat migraines? How long does it take? Who is it contradicted in?
Definition
-propranolol(Inderal)
-may take 4-6 weeks to work
-contraindicate for asthamatics
Term
What is an injection that can help with migraines? How does it work? How long do the effects last?
Definition
-botox
-prevents pain transmitter release
-works up to 6 months for single injection
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