Shared Flashcard Set

Details

ehoovey
GI drugs
17
Other
Not Applicable
05/29/2006

Additional Other Flashcards

 


 

Cards

Term
H2 blockers (4) and MOA
Definition
Cimetidine, Ranitidine, Famotidine, Nizatidine. MOA - reversible block of histamine H2 receptors.
Term
H2 blocker use and toxicity
Definition
Use - peptic ulcer, gastritis, mild esophageal reflux. Toxicity (Cimetidine only) - potent inhibitor of P-450; it also has an antiandrogenic effect and decreased renal excretion of creatinine.
Term
proton pump inhibitors (2)
Definition
Omeprazole, Lansoprazole
Term
PPI MOA and use
Definition
MOA - irreversibly inhibit H+/K+ ATPase in stomach parietal cells.

Use - peptic ulcer, gastritis, esophageal reflux, Zollinger-Ellison syndrome.
Term
Bismuth, Sucralfate
Definition
MOA - bind to ulcer base, providing physical protection, and allows HCO3- secretion to reestablish pH gradient in the mucous layer.

Use - to increase ulcer healing.
Term
Misoprostol MOA and use
Definition
MOA - a PGE1 analog. increased production and secretion of gastric mucous barrier.

Use - prevention of NSAID-induced peptic ulcers; maintenance of patent ductus arteriosus. also used to induce labor.
Term
Misoprostol toxicity
Definition
Toxicity - diarrhea, contraindicated in women of childbearing potential (abortifacient).
Term
Infliximab MOA and use
Definition
MOA - a monoclonal Ab to TNF-alpha, proinflammatory cytokine.

Use - Crohn's disease, rheumatoid arthritis.
Term
Infliximab toxicity
Definition
respiratory infection, fever, hypotension
Term
Sulfasalazine MOA and use
Definition
MOA - a combination of sulfapyridine (antibacterial) and mesalamine (anti-inflammatory).

Use - ulcerative colitis, Crohn's disease
Term
Sulfasalazine toxicity
Definition
malaise, nausea, sulfonamide toxicity
Term
Ondansetron MOA and use
Definition
MOA - 5-HT3 antagonist. powerful central-acting antiemetic.

Use - control vomiting postoperatively and in patients undergoing chemotherapy.
Term
Ondansetron toxicity
Definition
headache, constipation
Term
antacid overuse effects
Definition
can affect absorption, bioavailability, or urinary excretion of other drugs by altering gastric and urinary pH or by delaying gastric emptying
Term
Aluminum hydroxide (antacid) overuse
Definition
hypokalemia, constipation, hypophosphatemia
Term
Magnesium hydroxide (antacid) overuse
Definition
hypokalemia, diarrhea
Term
Calcium carbonate (antacid) overuse
Definition
hypokalemia, hypercalcemia, rebound acid increase.
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