Pharm Exam 3 Flashcards
What are anticonvulsants
Anti seizure medication
How soon do anticonvulsants work
May take up to one week to work
What do you need to monitor with AEDs
Blood level (narrow therapeutic range)
Suicidal behaviors
What 3 ways do AEDs work
Suppressing sodium influx
Suppressing calcium influx
Increase action of GABA
What do hydantoins do (AED)
Inhibit sodium influx
Therapeutic range for phenytoin
10-20 mcg/ml
What do barbiturates do (AED)
Enhances GABA
What do succinimides do
Inhibit calcium influx
What to watch for with AEDs
G- gingival hyperplasia
U- use alternative birth control
M- mouth care
S- don’t stop abruptly
How do AEDs affect pregnant women
Increase seizures by 25%
Classic symptoms with Parkinson’s disease
Tremor
Rigidity
Bradykinesia
What is Parkinson’s disease an imbalance of?
Dopamine and acetylcholine
Too much acetylcholine and not enough dopamine
Medications used to treat Parkinson’s disease
Anticholinergics Dopaminergics Dopamine agonists MAO-B inhibitor COMT inhibitor
How do antocholinergics work for Parkinson’s disease
Inhibit release of acetylcholine
Reduce rigidity and tremors
Anticholergics used for Parkinson’s
Benztropine
Biperiden
Trihexyphenidyl HCl
Diphenhydramine (benedryl)
Side effects of anti-cholinergics
Red as a beat, dry as a bone, mad as a Hatter, hot as a hare, can’t see can’t pee, can’t spit can’t shit
What does l-dopa do
Increases mobility and Parkinson’s disease
Side effects of l-dopa
GI upset, dyskinesias, hypertension, cardiac dysrhythmias, psychosis, agranulocytosis
Benefits of carbidopa and levodopa
Allows more dog mean to reach the brain
Allows for once a day dosing
Smaller doses of little but are required to achieve desired effect
Other Parkinson’s drugs
Dopamine agonist, MAOB inhibitors, COMT inhibitors, limit vitamin B6 to normal doses
What histologic changes take place in Alzheimer’s disease
Degeneration of cholinergic neurons in a deficiency in acetylcholine
What drugs are used to treat Alzheimer’s disease
Acetylcholinesterase inhibitor’s
What are characteristics of my Myasthenia gravis disease
Muscular weakness and fatigue
Respiratory muscle paralysis, ptosis, difficulty chewing and swallowing
Drug agents used for MG
Ultra short acting, short acting, intermediate acting, long acting