Pharmacology Flashcards
What drugs end in “litazone”?
Thiazolidinedione-type, also called “glitazones”
What drugs end in “ronates”?
Bisphosphonates
What smokinc cessation medication is lethal in children and CI in pregnancy?
Nicotin gum and patches
What is a sign of nicotine toxicity?
Nightmares
What substances/medication induce CYP1A2?
Caffeine, theophylline, TCA’s, Warfarin, and Nicotine
What medications are indicated for glaucoma? What class are they?
Pilocarpine - cholinergic agonist
Physostigmine - cholinesterase inhibitor
What are common AE observed with neuroleptics?
Tremors/parkinsonian effects, tardive dyskinesia, postural hypotension, blurred vision, dry mouth, constipation, urinary retention, sexual dysfunction, drowsiness
What are symptoms of neuroleptic malignant syndrome?
catatonia, fluctuating BP, dysarthria, fever, death
Counteract with dopamine agonist (Bromocriptine)
What is the MOA of the phenothiazines (antipsychotics)? What about haloperidol?
Dopamine blockade
Dop block + H1 blockade
What are important AE with antipsychotics?
Extrapyramidal reactions
What drugs are contraindicated in depressed patients?
Antipsychotics
What other hormone is released as a result of dopamine blockade?
Prolactin
What two neurotransmitters are blocked with Respiradone?
Serotonin and Dopamine
What is a serious AE of Clozapine?
Agranulocytosis
How does Buproprion lowers seizure threshold?
Spares catecholamines
What vitamin is required by MAO to operate properly?
B6
What cofactors are required by COMT?
Mg and SAMe
What amino acid become serotonin?
Tryptophan
Induce or inhibit CYP450 3A4: barbituates, glucocorticoids, phenytoin, hypericum
Induce
Induce or inhibit CYP460 3A4: ciprofloxacin, clarithromycin, erythromycin, fluconazole, fluoxetine, grapefruit juice, Itraconazole, ranitidine, miconazole, ketoconazole, metronidazole
Inhibit
Which drugs block reuptake of MAO and inc NE and serotonin?
TCAs - Amitriptyline, Imipramine, Doxepin, etc.
Which drugs are modified serotonin effectors?
Venlafaxine
Mirtazapine
How do MSE’s work?
SSRI + Inc Serotonin prod + NE receptor effects
What case class of drug is Duloxetine?
SSNRI
Which medication is used for neuropathic pain, post-herpetic neuralgia, and fibromyalgia? I
Pregabalin - block alpha2delta subunit and reduces Ca dependent release of neurotransmitters
Name two serotonin transporter inhibiting medications.
Desyrel and Serzone
What neurosteroid enhances GABA in the brain?
The degradation of progesterone
High dose vitex inc what hormone?
Progesterone
Which drug is an anxiolytic without sedation or euphoria and modulates Serotonin/Dopamine/NE activity?
Buspirone
What medications are given acutely for seizure?
Diazepam and Ca Gluconate IV
What is the action of Hydroxyzine and indication?
H1 Blocker
Anxiolytic
How does glycine work in the brain?
Cl channel blocker
Calming
What herbs should you not administer within two weeks of an MAO inhibitor?
Rauwolfia or Reserpine
What two drugs for bipolar drugs require regular blood levels due to potential toxicity?
Lithium and Valproic Acid
What neuropathic pain medication is also used in bipolar?
Gabapentin
What is Lithium’s action?
Interferes with Na ions in the brain.
What dietary recommendation should you NOT make with pt taking lithium?
Low Na diets!!!
What drugs end in “tidine”?
H2 Blockers
Lower Acid in the stomach
H1 is for snotty noses
What drugs end in “prazoles”?
PPIs
What mineral deficiency is a problem in PPI usage?
Magnesium
What is Sucralfate?
GI Demulcent
What is Metoclopramide?
Stimulates upper GI motility, can affect CNS (extrapyramidal effects)
What are two Belladonna alkaloids? And what action do they have?
Hyoscyamine, Dicyclomine
Anticholinergic
Dephenoxlylate w/ Atropine as well as Loperamide are what type of drug?
Anti-diarrheal
How does Docusate (Colace) work?
Reduce surface tension of the oil-water interface of stool to soften it.
What is the MOA of “triptans”? What condition do you NOT want to use triptans?
agonist for a vascular 5-HTP1 receptor subtype - resulting in vasoconstriction
DO NOT USE in basilar artery disease, HTN, w/ MAO inhibitors.
What is the combo drug of carbi-levodopa?
Sinemet - can use lower dose initially