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120 Cards in this Set

  • Front
  • Back
Drugs with important actions on smooth muscle

Disease caused by excess ergot alkaloids
St. Anthony's Fire
Endogenous substances commonly interpreted as histamine, serotonin, prostaglandins, and vasoactive peptides
Autocoids
Syndrome of hypersecretion of gastric acid and pepsin usually caused by gastrinoma; it is associated with severe peptic ulceration and diarrhea
Zollinger-Ellison Syndrome
Drug that causes contraction of the uterus
Oxytocin
Distribution of histamine receptors H1, H2, and H3
Smooth muscle; stomach, heart, and mast cells; nerve endings, CNS respectively
Prototype antagonist of H1 and H2 receptors
Diphenhydramine and cimetidine, respectively
1st generation antihistamine that is highly sedating
Diphendydramine
1st generation antihistamine that is least sedating
Chlorpheniramine or cyclizine
2nd generation antihistamines
Fexofenadine, loratadine, and cetirizine
Generation of antihistamine that has the most CNS effects
First generation due to being more lipid-soluble
Major indication for H1 receptor antagonist
Use in IgE mediated allergic reaction
Antihistamine that can be used for anxiety and insomnia and is not addictive
hydroxyzine (Atarax)
H1 antagonist used in motion sickness
Dimenhydrinate, meclizine, and other 1st generation
Most common side effect of 1st generation antihistamines
Sedation
Lethal arrhythmias resulting from concurrent therapy with azole fungals (metabolized by CYP 3A4) and these antihistamines which inhibit the 3A4 iso- enzyme.
Terfenadine and astemizole (have been removed from the market)
H2 blocker that causes the most interactions with other drugs
Cimetidine
Clinical use for H2 blockers
Acid reflux disease, duodenal ulcer and peptic ulcer disease
Receptors for serotonin (5HT-1) are located
Mostly in the brain, and they mediate synaptic inhibition via increased K+ conductance
5HT-1d agonist used for migraine headaches
Sumatriptan, naratriptan, and rizatriptan
Triptan available in parenteral and nasal formulation
Sumatriptan
H1 blocker that is also a serotonin antagonist
Cyproheptadine
Agents for reduction of postpartum bleeding
Oxytocin, ergonovine and ergotamine
Agents used in treatment of carcinoid tumor
Ketanserin cyproheptadine, and phenoxybenzamine
5HT-3 antagonist used in chemotherapeutic induced emesis
Ondansetron, granisetron, dolasetron and alosetron
5HT-3 antagonist that has been associated with QRS and QTc prolongation and should not be used in patients with heart disease
Dolasetron
DOC to treat chemo-induced nausea and vomiting
Odansetron
Drug used in ergot alkaloids overdose, ischemia and gangrene
Nitroprusside
Reason ergot alkaloids are contraindicated in pregnancy
Uterine contractions
SE of ergot alkaloids
Hallucinations resembling psychosis
Ergot alkaloid used as an illicit drug
LSD
Dopamine agonist used in hyperprolactinemia
Bromocriptine
Peptide causing increased capillary permeability and edema
Bradykinin and histamine
Mediator of tissue pain, edema, inactivated by ACE, and may be a contributing factor to the development of angioedema
Bradykinin
Drug causing depletion of substance P (vasodilator)
Capsaicin
Prostaglandins that cause abortions
Prostaglandin E1 (misoprostol) PGE2, and PGF2alpha
Difference between COX 1 and COX 2
COX 1 is found throughout the body and COX 2 is only in inflammatory tissue
Drug that selectively inhibits COX 2
Celecoxib and rofecoxib
Inhibitor of lipoxygenase
Zileuton
Major SE of zileuton
Liver toxicity
Inhibitor of leukotrienes (LTD4) receptors and used in asthma
Zafirlukast and montelukast
Used in pediatrics to maintain patency of ductus arteriosis
PGE1
Approved for use in severe pulmonary HTN
PGI2 (epoprostenol)
Prostaglandin used in the treatment of impotence
Alprostadil
Irreversible, nonselective COX inhibitor
Aspirin
Class of drugs that reversibly inhibit COX
NSAIDS
Primary endogenous substrate for Nitric Oxidase Synthase
Arginine
MOA and effect of nitric oxide
Stimulates cGMP which leads to vascular smooth muscle relaxation
Long acting beta 2 agonist used in asthma
Salmeterol, formoterol
Muscarinic antagonist used in asthma
Ipratropium
MOA action of cromolyn
Mast cell stabilizer
Methylxanthine derivative used as a remedy for intermittent claudication
Pentoxifylline
MOA of corticosteroids
inhibit phospholipase A2
SE of long term corticosteroid therapy and remedy
Adrenal suppression and weaning slowly, respectively
Antimicrobials

MOA of quinolones
Inhibit DNA gyrase
MOA of penicillin
Block cell wall synthesis by inhibiting peptidoglycan cross-linkage
Drug used for MRSA
Vancomycin
Vancomycin MOA
Blocks cell wall synthesis by sequestration
Genetic basis of low level resistance found with vancomycin
Point mutation
Meningitis prophylaxis for persons in contact with patients
Ciprofloxacin or Rifampin (for children less than 4 yrs old)
Technique used to diagnose perianal itching, and the drug used to treat it
Scotch tape technique and mebendazole
Two toxicities of aminoglycosides
nephro and ototoxicity
DOC for Legionnaires' disease
Moxifloxacin
MOA of sulfonamides
Inhibit dihydropteroate synthase
Penicillins active against penicillinase secreting bacteria
Methicillin, nafcillin, and dicloxacillin
Cheap wide spectrum antibiotic DOC for otitis media
Amoxicillin
Class of antibiotics that have 10% cross sensitivity with penicillins
Cephalosporins
PCN active against pseudomonas
ceftazidime, imipenem, piperacillin and ticarcillin
Antibiotic causing red-man syndrome, and prevention
Vancomycin, infusion at a slow rate and antihistamines
Drug causes teeth discoloration
Tetracycline
MOA of tetracycline
Decreases protein synthesis by inhibiting 30S ribosome
Drug that causes gray baby syndrome and aplastic anemia
Chloramphenicol
Drug notorious for causing pseudomembranous colitis
Clindamycin
DOC for tx of pseudomembranous colitis (mild)
Metronidazole
Treatment of severe/relapsing pseudomembranous colitis
ORAL vancomycin
Anemia caused by trimethoprim
Megaloblastic anemia
Reason fluoroquinolones are contraindicated in children and pregnancy
Cartilage damage
DOC for giardia, bacterial vaginosis, and trichomonas
Metronidazole
Treatment for TB patients (think RIPE)
R ifampin, I soniazid, P yrazinamide, and E thambutol
Metronidazole SE if given with alcohol
Disulfiram-like reaction
Common side effect of Rifampin
Red urine discoloration
MOA of nystatin
Bind ergosterol in fungal cell membrane
Neurotoxicity with isoniazid (INH) prevented by
Administration of Vit. B6 (pyridoxine)
Toxicity of amphotericin
Nephrotoxicity
SE seen only in men with administration of ketoconazole
Gynecomastia
Topical DOC in impetigo
Topical mupirocin (Bactroban)
Drug used for African sleeping sickness
Suramin
Drug used in Chagas disease
Nifurtimox
Cephalosporins able to cross the BBB
Ceftazidime, Ceftriaxone or Cefotaxime
Oral 3rd generation cephalosporins NOT able to cross the BBB
Cefixime
Drug used for N. gonorrhea in females
Ceftriaxone
Cephalosporin causes kernicterus in neonates
Ceftriaxone or cefuroxime
SE of INH
Peripheral neuritis and hepatitis
Aminoglycoside that is least ototoxic
Streptomycin
Drug used in exoerythrocytic cycle of malaria
Primaquine
Oral antibiotic of choice for moderate inflammatory acne
Minocycline
Drug of choice for leprosy
Dapsone, rifampin and clofazimine combination
DOC for herpes and its MOA
Acyclovir; phosphorylation, incorporation into viral DNA, and chain termination
Anti-bacterials that cause hemolysis in G6PD- deficient patients
Sulfonamides
MOA of erythromycin
Inhibition of protein synthesis at the 50s subunit of ribosome
Anti-biotic frequently used for chronic UTI prophylaxis
sulfamethoxazole/ trimethoprim
Lactams that can be used in PCN allergic patients
Aztreonam/carbapenems
SE of imipenem
Seizures
Antiviral Agents

DOC for influenza A
Oseltamivir
DOC for severe RSV
Ribavirin
DOC for CMV retinitis
Ganciclovir, valganciclovir
SE for ganciclovir
myelosuppression
Anti-viral agent associated with Stephen Johnson syndrome
Nevirapine
HIV antiviral class known to have severe drug interactions by causing inhibition of metabolism
Protease inhibitors
Protease inhibitors recommended for pregnant women
lopinavir, ritonavir, atazanavir
Antivirals that are teratogens
Delavirdine, efavirenz, and ribavirin
Single dose used to prevent perinatal transmission of HIV
Nevirapine
Anti-viral with a dose limiting toxicity of pancreatitis
Didanosine
Anti-HSV/VZV agent that causes thrombotic thrombocytopenic purpura/hemolytic uremic syndrome in high doses
Valacyclovir
Intravenous drug effective for end-organ CMV disease (retinitis, colitis, esophagitis)
Foscarnet
Nucleoside reverse transcriptase inhibitor that can cause fatal hypersensitivity reactions linked to HLDB5701
Abacavir
Polymerase inhibitor used to treat Hepatitis C infections in combination with ribavarin
Sofosbuvir
Protease inhibitors used to treat Hepatitis C infections
Boceprevir, Simeprevir, Telaprevir