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Fundamentals
n/a
94
Pharmacology
Professional
09/01/2010

Additional Pharmacology Flashcards

 


 

Cards

Term
Atenolol
Definition
Selective beta blocker. Lowest risk of insomnia. Once a day dosing. Top drug for hypertension. Also angina and hyperthyroidism.
Term
Esmolol
Definition
Selective beta blocker. IV administration. Anti-arrhythmic.
Term
Metoprolol
Definition
Selective beta blocker. High insomnia risk. Hypertension, angina, and hyperthyroidism.
Term
Naldolol
Definition
Non-selective beta blocker. Hypertension, angina, and hyperthyroidism.
Term
Pindolol
Definition
Non-selective beta blocker. Highest intrinsic sympathomimetic affect (ISA) = ability to increase heart rate. Hypertension, angina, hyperthyroidism.
Term
Propranolol
Definition
Non-selective beta blocker. Highest risk of insomnia. Highest plasma binding (drug int). Highest membrane stabilizing activity (anesthetic activity) = mouth gets numb. Most popular non-selective. Hypertension, angina, hyperthyroidism, anti arrhythmic.
Term
Timolol
Definition
Non-selective beta blocker. Top choice for glaucoma. Also hypertension, angina, hyperthyroidism.
Term
Celiprolol
Definition
Selective beta blocker. Low insomnia risk. Acts as vasodilator for hypertension and angina.
Term
Labetalol
Definition
Non-selective beta blocker. Also selective alpha blocker. Prevents cold extremities for patients on non-selective beta blockers.
Term
Phentolamine
Definition
Non-selective alpha blocker. E.R. hypertension, never outpatient. IV, short duration. Lowers BP, also induces histamine release and has cholinergic properties. Allergic Rx possible, reflex tachy, and orthostatic hypotension.
Term
Phenoxybenzamine
Definition
Non-selective alpha blocker. Irreversible, long acting. Used in diagnosis of pheochromacytoma (tumor that releases epi).
Term
Prazosin
Definition
Selective alpha 1 blocker. Lowers blood pressure and cholesterol. Raises HDL. Syncope for 1st week then tolerance.
Term
Terazosin
Definition
Selective alpha 1 blocker. Less potent and longer acting than prazosin. Lowers BP and used for BPH. Less syncope.
Term
Tamsulosin
Definition
Selective alpha 1 blocker. Long duration. Specific for alpha receptors in prostate. Used for BPH...not Hypertension.
Term
Reserpine
Definition
Adrenergic neuronal blocker. Depletion of NE in vesicles. Used in hypertension. SUICIDE risk.
Term
Guanethidine/Guanadrel
Definition
Adrenergic neuronal blocker. Works by displacing NE inside neuron. Used in emergency high blood pressure. Tolerance and diarrhea.
Term
Metyrosine
Definition
Adrenergic neuronal blocker. Is a false neuro-transmitter (methylated tyrosine). Not used.
Term
Sulfasoxazole
Definition
Uncomplicated UTI
Term
Sulfamethoxazole
Definition
Uncomplicated UTI
Term
Sulfadoxine/Pyramethamine (Fansidar)
Definition
Malaria
Term
Sulfadiazine/Pyramethamine
Definition
Toxoplasmosis
Term
Dapsone
Definition
Leprosy
Term
Sulfasalazine
Definition
Inflammatory Bowl Disease
Term
Sulfonamide Side Effects?
Definition
Crystalluria, Rashes, Anemia, Nausea, Kernicturus.
Term
Amantadine
Definition
Inhibits influenza viral uncoating. Effective within 48 hours. Not metabolized, so dosage adj. necessary if kidney problems. Crosses BBB, so neuro effects.
Term
Rimantadine
Definition
Inhibits influenza viral uncoating. Good within 48 hours. Metabolized. Does not cross BBB as readily as Amantadine.
Term
Zanamivir
Definition
Inhibits influenza viral release. Blocks neuraminidase to promote viral aggregation. Powder due to poor bioavailability.
Term
Oseltamivir
Definition
Inhibits influenza viral release. Blocks neuraminidase. Promotes viral aggregation. Good oral bioavailability. Causes nausea, vomiting, and headache in 15% of patients.
Term
Acyclovir
Definition
Inhibits viral genome replication as a nucleoside analogue. Highly specific for viral thymidine kinase. IV, topical, or oral. 15% to 30% bioavl. oral. Use in keratits due to herpes, encephalitis, genital herpes, mucocutaneous infections, varicella-zoster.
Term
Trifluridine
Definition
Nucleoside analogue against herpes virus. Used in keratits due to herpes. Toxic and more potent than acyclovir so used topically on the eye.
Term
Ganciclovir
Definition
Cytomegalovirus Retinitis. Guanosine analogue that 100x more active againt CMV than acyclovir. Blocks viral genome replication. BONE MARROW SUPRESSION. Used only in serious infections. Poor oral bioavailability.
Term
Foscarnet
Definition
Cytomegalovirus Retinits. Alternative to ganciclovir. Not a nucleoside analogue. Reduced renal function.
Term
Cidofovir
Definition
Used in Herpes infections resistant to acyclovir. Nucleotide analogue that mimics deoxycytidine monophosphate. IV. Nephrotoxic.
Term
Fomivirsen
Definition
Cytomegalovirus retinitis. anti-sense mRNA.
Term
Ribavirin
Definition
Mixed action anti-viral for Influenza A & B, respiratory syncytial virus, and viral hepatitis C w/ interferon. Inhibits inosine monophosphate dehydrogenase (depletes cell of GTP) & inhibits N7 methyl transferase (prevents capping of mRNA). Causes hemolytic anemia.
Term
Interferons
Definition
Endogenous compounds made by infected cells to inhibit viral replication. Suncutaneous and intramuscular injection. Causes neutropenia. Use in Hep B and Hep C (w. ribavirin).
Term
Clonidine
Definition
Adrenergic agonist. Acts on Alpha 2 receptors. Decreased HR and decreased BP.
Term
Dobutamine
Definition
Adrenergic agonist. Ionotropic. Works at Beta 1 receptors.
Term
Dopamine
Definition
Direct and mixed acting adrenergic agonist. Low dose, dilates kidney vessels (dopamine receptor) and increased heart rate. Good for shock. At high doses, causes alpha-vasoconstriction.
Term
Albuterol
Definition
Adrenergic agonist. Works on Beta 2 receptors. Bronchodilation.
Term
Ephedrine
Definition
Mixed acting adrenergic agonist. Primarily works by stimulating receptors. Uses in decongestant, narcolepsy, obesity, and hyperactivity.
Term
Amphetamines
Definition
Mixed acting adrenergic agonist. Primarily works by releasing NE. Uses for decongestants, narcolepsy, obesity, and hyperactivity.
Term
Benzedrine
Definition
Amphetamine
Term
Dextrodine
Definition
Amphetamine
Term
M1
Definition
IP3/DAG. Nerves and autonomic ganglia.
Term
M2
Definition
Inhibits adenylate cyclase, activated K channels. Decreased cAMP. Works in Heart.
Term
M3
Definition
IP3/DAG. Secretory glands and smooth muscle (contraction of eye muscles and GI/bladder muscles).
Term
Beta 1
Definition
Activates adenylate cyclase. Heart and increased renin secretion at kidney. Increased HR and BP.
Term
Beta 2
Definition
Activates adenylate cyclase. Eye (ciliary muscle relaxation for far vision), dilation of blood vessels including GI and skeletal muscle, LUNG (bronchodilation), and relaxation of detruser.
Term
Beta 3
Definition
Activates adenylate cyclase. Lipolysis.
Term
Alpha 1
Definition
IP3/DAG. Eye (contraction of radial muscle = mydriasis), Arteriole constiction, Contraction of sphincters, Increased glucose at liver,
Term
Alpha 2
Definition
Inhibits adenylate cyclase.
Term
Methacholine
Definition
Choline ester. Methylated Ach. Specific for muscarinic receptors and resistant to AChE. May be used to diagnose bronchial hyperreactivity.
Term
Carbachol
Definition
Choline ester. Amine sub. Ach. Highly resistant to AChE. Mixed activity towards muscarinic and nicotinic. Last resort wide-angle glaucome.
Term
Benthanechol
Definition
Choline ester. Methylated and amine sub. Ach. Highly resistant to AChE. Muscarinic specific. Post-op bladder distention and xerostomia (promote salivation).
Term
Direct Cholinomimetics side effects
Definition
sweating, cramping, diarrhea, excess salivation, decreased pulse, hypotension.
Term
Pilocarpine
Definition
Muscarinic. Miotic agent for wide-angle glaucoma. Used with physostigmine. Orally for xerostomia. Limited use due to broad autonomic effects.
Term
Muscarinic poisoning
Definition
salivation.lacrimation, nausea, vomiting, headache, visual disturbances, bronchospasm, bradycardia, hypotension, shock.
Term
Atropine
Definition
Anti-cholinergic. Tertiary amine (in CNS). Blocks muscarinic receptors. Reverse muscarinic poisoning, long lasting mydriasis & cycloplegia, anti-diarrheal w/ diphenoxylate.
Term
Tropicamide
Definition
Anti-cholinergic. Teritary amine (in CNS). Fast & short acting mydriatic agent.
Term
Scopolamine
Definition
Anti-cholinergic. Tertiary amine (in CNS). Motion sickness. Causes drowsiness.
Term
Tolterodine
Definition
Anti-cholinergic. Tertiary amine. Over-active bladder. Causes dry mouth and constipation. Not to be used in patients with glaucoma.
Term
Ipratropium
Definition
Anti-cholinergic. Quaternary amine. Bronchodilator. Used in COPD.
Term
Tiotropium
Definition
Anti-cholinergic. Quaternary amine. Similar to ipratropium (bronchodilator for COPD), but longer lasting.
Term
Propantheline
Definition
Anti-cholinergic. Quaternary amine. Widely used for GI disturbances. Also for ulcers & to stop excessive sweating.
Term
Adverse rxs for anti-muscarinics
Definition
Dry as a bone, red as a beet, hot as a hare, blind as a bat, mad as a hatter.
Term
Mecamylamine
Definition
Non-depolarizing ganglionic blocker. Interest in Tourette Syndrome.
Term
Edrophonium
Definition
Anti-cholinesterase. Reversible, simple competitive inhibitor. IV 1-5 min dur. Test for myasthenia gravis.
Term
Physostigmine
Definition
Anti-cholinesterase. Carbamate. Used in wide-angle glaucoma, with pilocarpine. Risk of cataract formation.
Term
Neostigmine
Definition
Anti-cholinesterase. Carbamate. Short acting. Standard for myasthenia gravis. Also for paralytic loss of tone in GI & bladder. Poor oral absorption.
Term
Pyridostigmine
Definition
Anti-cholinesterase. Carbamate. Similar to neostigmine and used in myasthenia gravis when effective due to longer action. Pretreatment for nerve gas.
Term
Ambenonium
Definition
Anti-cholinesterase. Carbamete. Similar to pyridostigmine (MA and nerve gas pre-treatment), but longer lasting at 4-8 hours.
Term
Echothiophate
Definition
Anti-cholinesterase. Irreversible, organophosphate. Only clinically useful organophosphate, used in glaucoma.
Term
Malathion
Definition
Anti-cholinesterase. Irreversible, organophosphate. Insecticide. Detoxed in mammals due to plasma esterases.
Term
Parathion
Definition
Anti-cholinesterase. Irreversible, organophosphate. Insecticide prodrug (paraoxon is active form). Responsible for the most poisonings and deaths.
Term
Sarin/Soman
Definition
Nerve gas
Term
Donepezil
Definition
Alzheimer's drug. 1x day dosing. Selective CNS cholinesterase inhibitor. No hepatotoxicity.
Term
Rivastigmine
Definition
Alzheimer's drug. 2x day dosing. Carbamate similar to physostigmine.
Term
Galantamine
Definition
Alzheimer's drug. Mild cholinesterase inhibitor, but potent enhancer of CNS nicotinic receptors.
Term
Pralidoxime
Definition
Nucleophile that rescues cholinesterase enzyme before it is aged.
Term
Succinylcholine
Definition
Depolaring neuromuscular blocker. Short procedures/intubations. Causes apnea, hyperkalemia, increased intraocular pressure, gastric pressure, and intracranial pressure. Also malignant hypothermia.
Term
Mivacurium
Definition
Non-depolaring neuromuscular junction blocker. Alt to succinylcholine for brief procedures. Eliminated by plasma esterases.
Term
Rocuronium
Definition
Non-depolarizing Neuromuscular junction blocker. Rapid onset. Eliminated by the liver.
Term
Vecuronium
Definition
&Non-depolaring NMJ blocker. Intermediate duration. No side effects. Eliminated by liver kidney.
Term
Cisatracurium
Definition
Non-depolarizing NMJ blocker. Intermediate duration. Eliminated by spontaneous hydrolysis. Slight histamine release = hypotension & bronchoconstriction.
Term
Pancuronium
Definition
Non-depolarizing NMJ blocker. Long duration. Kidney elimination. Moderate block of heart muscarinic receptors = risk for increased HR and BP.
Term
Trimethoprim
Definition
inhibits dihydrofolate reductase of bacteria 10,000x more efficiently. Uncomplicated UTI when used alone. Oral.
Term
Sulfamethoxazole/Trimethoprim
Definition
Oral used for pneumonia due to pneumocystis carinii, GI infections (Shigella), systemic infections caused by Nocardia & Salmonella, and UTIs and resp. infections caused by H. influenzae or strep pneumo. Rare hematopoietic side effect. plus CRANK.
Term
Quinolones
Definition
Inhibit topoisomerase II & IV. Antacids decrease bioavailability.
Term
Quinolone side effects
Definition
Nausea, vomiting, diarrhea, photosensitivity, CNS disturbances, TENDONITIS, and prolonged QT interval.
Term
Ciprofloxacin
Definition
Topical for conjunctivitis, corneal ulcer, and other ocular infections.
Term
Ciprofloxacin, levofloxacin, moxifloxacin
Definition
Resistant UTI, Osteomyelitis, infectious diarrhea, gonorrhea, anthrax, atypical pneumonias.
Term
Oxybutynin
Definition
Anti-cholinergic. Tertiary amine. Over-active bladder. Causes dry mouth and constipation. Not to be used in patients with glaucoma.
Term
Doxazosin
Definition
Selective alpha 1 blocker. Less potent and longer acting than prazosin. Lowers BP and used for BPH. Less syncope.
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