15- GI III Flashcards
idiopathic chronic relapsing disorder
IBS
with IBS treatment you activate 5HT4 receptors but block 5HT3 receptors- why? ***
+ 5HT4 = promote NT release in ENS resulting in motility AND decrease firing of extrinisc sensory neurons to the CNS to block pain
- 5HT3 = block visceral pain, motility, and secretion
two drugs used for IBS
tegaserod and alosetron
treatment for diarrhea prominent IBS
alosetron
treatment for constipation predominant IBS
tegaserod
MOA tegaserod
5HT4 partial agonist
MOA alosetron
5HT3 antagonist
** women only
first line agent for mild to moderate ulcerative colitis
sulfasalazine and mesalamine
*** sulfasalazine has very adverse effects
what type of drugs are sulfasalazine and mesalamine?
aminosalicylates
treatment of moderate to severe ACTIVE IBD
prednisone
maintenance of remission of IBD
azathioprine
maintenance of remission of Chron’s
methotrexate
treat moderate to severe IBD
infliximab