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120 Cards in this Set
- Front
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Drugs with important actions on smooth muscle
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Disease caused by excess ergot alkaloids
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St. Anthony's Fire
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Endogenous substances commonly interpreted as histamine, serotonin, prostaglandins, and vasoactive peptides
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Autocoids
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Syndrome of hypersecretion of gastric acid and pepsin usually caused by gastrinoma; it is associated with severe peptic ulceration and diarrhea
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Zollinger-Ellison Syndrome
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Drug that causes contraction of the uterus
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Oxytocin
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Distribution of histamine receptors H1, H2, and H3
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Smooth muscle; stomach, heart, and mast cells; nerve endings, CNS respectively
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Prototype antagonist of H1 and H2 receptors
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Diphenhydramine and cimetidine, respectively
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1st generation antihistamine that is highly sedating
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Diphendydramine
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1st generation antihistamine that is least sedating
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Chlorpheniramine or cyclizine
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2nd generation antihistamines
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Fexofenadine, loratadine, and cetirizine
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Generation of antihistamine that has the most CNS effects
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First generation due to being more lipid-soluble
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Major indication for H1 receptor antagonist
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Use in IgE mediated allergic reaction
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Antihistamine that can be used for anxiety and insomnia and is not addictive
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hydroxyzine (Atarax)
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H1 antagonist used in motion sickness
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Dimenhydrinate, meclizine, and other 1st generation
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Most common side effect of 1st generation antihistamines
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Sedation
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Lethal arrhythmias resulting from concurrent therapy with azole fungals (metabolized by CYP 3A4) and these antihistamines which inhibit the 3A4 iso- enzyme.
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Terfenadine and astemizole (have been removed from the market)
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H2 blocker that causes the most interactions with other drugs
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Cimetidine
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Clinical use for H2 blockers
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Acid reflux disease, duodenal ulcer and peptic ulcer disease
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Receptors for serotonin (5HT-1) are located
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Mostly in the brain, and they mediate synaptic inhibition via increased K+ conductance
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5HT-1d agonist used for migraine headaches
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Sumatriptan, naratriptan, and rizatriptan
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Triptan available in parenteral and nasal formulation
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Sumatriptan
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H1 blocker that is also a serotonin antagonist
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Cyproheptadine
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Agents for reduction of postpartum bleeding
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Oxytocin, ergonovine and ergotamine
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Agents used in treatment of carcinoid tumor
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Ketanserin cyproheptadine, and phenoxybenzamine
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5HT-3 antagonist used in chemotherapeutic induced emesis
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Ondansetron, granisetron, dolasetron and alosetron
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5HT-3 antagonist that has been associated with QRS and QTc prolongation and should not be used in patients with heart disease
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Dolasetron
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DOC to treat chemo-induced nausea and vomiting
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Odansetron
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Drug used in ergot alkaloids overdose, ischemia and gangrene
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Nitroprusside
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Reason ergot alkaloids are contraindicated in pregnancy
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Uterine contractions
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SE of ergot alkaloids
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Hallucinations resembling psychosis
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Ergot alkaloid used as an illicit drug
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LSD
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Dopamine agonist used in hyperprolactinemia
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Bromocriptine
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Peptide causing increased capillary permeability and edema
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Bradykinin and histamine
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Mediator of tissue pain, edema, inactivated by ACE, and may be a contributing factor to the development of angioedema
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Bradykinin
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Drug causing depletion of substance P (vasodilator)
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Capsaicin
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Prostaglandins that cause abortions
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Prostaglandin E1 (misoprostol) PGE2, and PGF2alpha
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Difference between COX 1 and COX 2
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COX 1 is found throughout the body and COX 2 is only in inflammatory tissue
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Drug that selectively inhibits COX 2
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Celecoxib and rofecoxib
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Inhibitor of lipoxygenase
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Zileuton
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Major SE of zileuton
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Liver toxicity
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Inhibitor of leukotrienes (LTD4) receptors and used in asthma
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Zafirlukast and montelukast
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Used in pediatrics to maintain patency of ductus arteriosis
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PGE1
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Approved for use in severe pulmonary HTN
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PGI2 (epoprostenol)
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Prostaglandin used in the treatment of impotence
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Alprostadil
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Irreversible, nonselective COX inhibitor
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Aspirin
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Class of drugs that reversibly inhibit COX
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NSAIDS
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Primary endogenous substrate for Nitric Oxidase Synthase
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Arginine
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MOA and effect of nitric oxide
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Stimulates cGMP which leads to vascular smooth muscle relaxation
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Long acting beta 2 agonist used in asthma
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Salmeterol, formoterol
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Muscarinic antagonist used in asthma
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Ipratropium
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MOA action of cromolyn
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Mast cell stabilizer
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Methylxanthine derivative used as a remedy for intermittent claudication
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Pentoxifylline
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MOA of corticosteroids
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inhibit phospholipase A2
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SE of long term corticosteroid therapy and remedy
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Adrenal suppression and weaning slowly, respectively
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Antimicrobials
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MOA of quinolones
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Inhibit DNA gyrase
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MOA of penicillin
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Block cell wall synthesis by inhibiting peptidoglycan cross-linkage
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Drug used for MRSA
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Vancomycin
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Vancomycin MOA
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Blocks cell wall synthesis by sequestration
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Genetic basis of low level resistance found with vancomycin
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Point mutation
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Meningitis prophylaxis for persons in contact with patients
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Ciprofloxacin or Rifampin (for children less than 4 yrs old)
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Technique used to diagnose perianal itching, and the drug used to treat it
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Scotch tape technique and mebendazole
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Two toxicities of aminoglycosides
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nephro and ototoxicity
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DOC for Legionnaires' disease
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Moxifloxacin
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MOA of sulfonamides
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Inhibit dihydropteroate synthase
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Penicillins active against penicillinase secreting bacteria
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Methicillin, nafcillin, and dicloxacillin
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Cheap wide spectrum antibiotic DOC for otitis media
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Amoxicillin
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Class of antibiotics that have 10% cross sensitivity with penicillins
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Cephalosporins
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PCN active against pseudomonas
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ceftazidime, imipenem, piperacillin and ticarcillin
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Antibiotic causing red-man syndrome, and prevention
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Vancomycin, infusion at a slow rate and antihistamines
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Drug causes teeth discoloration
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Tetracycline
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MOA of tetracycline
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Decreases protein synthesis by inhibiting 30S ribosome
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Drug that causes gray baby syndrome and aplastic anemia
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Chloramphenicol
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Drug notorious for causing pseudomembranous colitis
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Clindamycin
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DOC for tx of pseudomembranous colitis (mild)
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Metronidazole
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Treatment of severe/relapsing pseudomembranous colitis
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ORAL vancomycin
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Anemia caused by trimethoprim
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Megaloblastic anemia
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Reason fluoroquinolones are contraindicated in children and pregnancy
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Cartilage damage
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DOC for giardia, bacterial vaginosis, and trichomonas
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Metronidazole
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Treatment for TB patients (think RIPE)
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R ifampin, I soniazid, P yrazinamide, and E thambutol
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Metronidazole SE if given with alcohol
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Disulfiram-like reaction
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Common side effect of Rifampin
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Red urine discoloration
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MOA of nystatin
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Bind ergosterol in fungal cell membrane
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Neurotoxicity with isoniazid (INH) prevented by
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Administration of Vit. B6 (pyridoxine)
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Toxicity of amphotericin
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Nephrotoxicity
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SE seen only in men with administration of ketoconazole
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Gynecomastia
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Topical DOC in impetigo
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Topical mupirocin (Bactroban)
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Drug used for African sleeping sickness
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Suramin
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Drug used in Chagas disease
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Nifurtimox
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Cephalosporins able to cross the BBB
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Ceftazidime, Ceftriaxone or Cefotaxime
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Oral 3rd generation cephalosporins NOT able to cross the BBB
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Cefixime
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Drug used for N. gonorrhea in females
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Ceftriaxone
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Cephalosporin causes kernicterus in neonates
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Ceftriaxone or cefuroxime
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SE of INH
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Peripheral neuritis and hepatitis
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Aminoglycoside that is least ototoxic
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Streptomycin
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Drug used in exoerythrocytic cycle of malaria
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Primaquine
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Oral antibiotic of choice for moderate inflammatory acne
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Minocycline
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Drug of choice for leprosy
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Dapsone, rifampin and clofazimine combination
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DOC for herpes and its MOA
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Acyclovir; phosphorylation, incorporation into viral DNA, and chain termination
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Anti-bacterials that cause hemolysis in G6PD- deficient patients
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Sulfonamides
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MOA of erythromycin
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Inhibition of protein synthesis at the 50s subunit of ribosome
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Anti-biotic frequently used for chronic UTI prophylaxis
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sulfamethoxazole/ trimethoprim
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Lactams that can be used in PCN allergic patients
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Aztreonam/carbapenems
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SE of imipenem
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Seizures
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Antiviral Agents
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DOC for influenza A
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Oseltamivir
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DOC for severe RSV
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Ribavirin
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DOC for CMV retinitis
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Ganciclovir, valganciclovir
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SE for ganciclovir
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myelosuppression
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Anti-viral agent associated with Stephen Johnson syndrome
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Nevirapine
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HIV antiviral class known to have severe drug interactions by causing inhibition of metabolism
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Protease inhibitors
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Protease inhibitors recommended for pregnant women
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lopinavir, ritonavir, atazanavir
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Antivirals that are teratogens
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Delavirdine, efavirenz, and ribavirin
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Single dose used to prevent perinatal transmission of HIV
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Nevirapine
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Anti-viral with a dose limiting toxicity of pancreatitis
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Didanosine
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Anti-HSV/VZV agent that causes thrombotic thrombocytopenic purpura/hemolytic uremic syndrome in high doses
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Valacyclovir
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Intravenous drug effective for end-organ CMV disease (retinitis, colitis, esophagitis)
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Foscarnet
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Nucleoside reverse transcriptase inhibitor that can cause fatal hypersensitivity reactions linked to HLDB5701
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Abacavir
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Polymerase inhibitor used to treat Hepatitis C infections in combination with ribavarin
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Sofosbuvir
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Protease inhibitors used to treat Hepatitis C infections
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Boceprevir, Simeprevir, Telaprevir
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