Pharm Flashcards
tx of schistosomiasis
praziquantel
Increases the cell permeability to calcium in schistosomes, causing strong contractions and paralysis of worm musculature leading to detachment of suckers from the blood vessel walls and to dislodgment
tx of benzo OD
flumazemil
Benzodiazepine antagonist
arachidonic acid metabolism
review notes in inflam
cause of cause in pt on ACE inhib
bradykinin
use of epi in shock
1:1000 dilution subQ
dantrolene
tx malignant hyperthermia after halothane
tx of acetaminophen OD
acetylcysteine to replace used up glutathione (neutralizes acetaminophen free radicals formed in the liver cytochrome system)
MOA of loop diuretics
blocks Na-K-2CL cotransport in the TAL in the renal medulla
also blocks Ca reabsorp
tx of cyanide poisoning
amyl nitritie and thiosulfate
trush is a SE of what?
corticosteroid inhaler
isotretinoin in females
used for acne tx. Do pregnancy test!
Isotretinoin must not be used by women and adolescents who are pregnant or who may become pregnant. There is an extremely high risk that severe birth defects can result if pregnancy occurs while taking isotretinoin in any amount, even for short periods of time
MOA of propylthiouracil
blocks iodination of the tyrosine residues of thyroglobulin; also blocks coupling of DIT and MIT
Only drug that can be used in preg but may produce goiter in the newborn and nail defects
Treatment of hyperthyroidism in patients with Graves’ disease or toxic multinodular goiter who are intolerant of methimazole and for whom surgery or radioactive iodine therapy is not an appropriate treatment regimen
P450 system in liver
makes drugs H20 soluble
Angiodema and renal failure can be see with what drug?
ACE inhibitors
MOA of retinoic acid
acts like a steroid by binding to receptors in the nucleus w//subsequent transcription of genes. proteins produced by this action are important in growth, differentiation, reproduction and embryonic dev
For acne?
allopurinola action in purine synthesis
blocks xantine oxidase
hypoxanthine –> xanthine –> uric acid
Most common abx used to prevent endocarditis in patients with valvular disease
amoxicillin
all valvular dz except asymp MVP and all congenital hear disease except asymp ASD
Yellow coloration of skin that can be mistaken for jaundice? Drugs?
drugs like quinacrine, chlorpromazine and arsenic –> blue-grey color of skin
diffuse erythema –> separation of skin (scalded skin syndrome or toxic epidermal necrolysis) drug?
barbiturates
sulfonamides
phenytoin
NSAIDS
Hair loss in women? drug?
oral contraceptives (estrogen causes hair to be at same stage of dev - may also occur after delivery)
Erythematous, hyperpigmented plaque-like lesion that recurs at same site every time
fixed drug eruption (phenolphthalein, NSAIDs, tetracycline, Bactrim, and barbiturates are most common cause)
Group of drugs w/highest assoc w/urticarial and maculopaular lesiosn
amoxicillin, TMP/SMX, amp/penicillin (rashes are the most common adverse rxn to drugs)
most drug txns of skin are NOT type I hypersensitivity histamine-related
elderly woman on thiazides are most at risk for developing what?
gout
tardive dyskinesia, malignant syndrome (sweating, hyperpyrexia, autonomic instability)
neuroleptic malignant syndrome from neuroleptics
antipsychotic drug requiring visual examination
thioridazine (also produces heart conduction defects)