Pharm one liners and other high yield pharm Flashcards
Time it takes for amount of drug to fall to half of its value, constant in first order kinetics (majority of drugs)</p>
Half-life (T1/2)
Barbiturates, phenytoin, carbamazepine, and rifampin all do this
Induce CYP450
Cimetidine, ketoconazole, isoniazid, and grapefruit all do this
Inhibit CYP450
Ability of drug to produce the maximal biologic effect
Efficacy
Mechanism of action (MOA) utilizes intracellular receptors
Steroid and hormones
Mechanism of action (MOA) utilizes transmembrane receptors that have intrinsic enzymatic activity
Insulin, EGF, TGFbeta, PDGF, ANP
Antidote used for organophosphate/anticholinesterase poisoning
Atropine, pralidoxime (2-PAM)
Antidote used for acetaminophen (APAP) toxicity
N-acetylcysteine
Antidote used for heparin toxicity
Protamine Sulfate
Antidote used for warfarin toxicity
Vitamin K and Fresh frozen plasma (FFP)
Antidote for tissue plasminogen activator (t-PA), streptokinase
Aminocaproic acid
Antidote used for opioid toxicity
Naloxone (IV), naltrexone (PO)
Antidote used for benzodiazepine toxicity
Flumazenil
Interaction with this drug requires dose reduction of 6-MP
Allopurinol
May protect against doxorubicin cardio-toxicity by chelating iron
Dexrazoxane
Blows DNA (breaks DNA strands), limiting SE is pulmonary fibrosis
Bleomycin
Binds tubulin and prevents the disassembly of microtubules during the M phase of the cell cycle inducing mitotic arrest
Paclitaxel (taxol)
Anti-estrogen used for estrogen receptor + breast cancer
Tamoxifen
Anti-emetics used in association with anti-cancer drugs that are 5-HT3 (serotonin receptor subtype ) antagonist
Odansetron, granisetron, dolasetron, palonosetron
Hormone inhibiting prolactin release
Dopamine
ACTH analog used for diagnosis of patients with corticosteroid abnormality
Cosyntropin
Synthetic analog of ADH hormone used for diabetes insipidus and nocturnal enuresis
Desmopressin (DDAVP)
Agent of choice for the treatment of hypothyroidism
Levothyroxine (T4)
Thioamide less likely to cross placenta, inhibits peripheral conversion of T4 to T3 in high doses, and indicated for pregnant women in 1st trimester
Propylthiouracil (PTU)