Amboss sulfasalazine Flashcards
sulfasalazine. mechanism
Prodrug converted in vivo to sulfapyridine (a sulfonamide anti-infective) (aka antibacterial)
and
5-aminosalicylic acid (mesalamine; anti-inflammatory agent).
Sulfasalazine. indication
ulcerative colitis, crohn disease (colitis component)
Rheumatoid Arthritis in Adults
sulfasalazine adverse?
malaise, nausea, SULFONAMIDE TOXICITY, sulfa alergy (hypersensitivity), !!!!REVERSIBLE OLIGOSPERMIA (infertility)
hematologic effect - agranulocytosis, aplastic anemia.
orlistat. mechanism?
Reversible inhibition of gastric and pancreatic lipase → ↓ breakdown and absorption of fat
orlistat. indications?
Weight loss in patients with obesity
orlistat. adverse?
Predominantly gastrointestinal side effects (e.g., pain, diarrhea, flatulence, malabsorption of fat-soluble vitamins)
orlistat use concomitantly with ADEK vitamins (once-daily)
.
loperamide. mechanism?
agonist at u-opioid receptors; slows gut motility.
loperamide. indications?
Antiperistaltic antidiarrhea agent.
indication - diarrhea
also, Reduction of discharge volume from ileostomies
loperamide. enzymes?
CYP3A4 or CYP2C8 inhibitors
loperamide addiction?
Poor CNS penetration –> low addictive potential
loperamide. adverse?
nausea, constipation. Can be severe cardiovascular adverse.