GI Drugs Flashcards
Which antibiotics cause GI upset?
- Aminoglycosides
- Tetracyclines
- Metronidazole
- Erythromycin
Which antibiotic class causes pyrexia in the cat?
Tetracyclines
Which antibiotics cause immune reactions?
- Trimethoprim sulfa
- Penicillins
- ASA
Which antibiotic can cause renal toxicity?
Aminoglycosides
What are the most effective motility modifiers?
Opioids
Opioids enhance what and decrease what?
- Enhance segmental contractions
- Decrease peristalsis
- Reduce intestinal secretions
What are 2 conditions in which you should avoid use of opioids as motility modifiers?
- Cats
2. Invasive bacteria
True or False: anticholinergic drugs increase peristaltic contractions.
FALSE - decrease peristaltic contractions
Do NOT use anticholinergics in ___ patients.
Diarrheic
Which intestinal protectant would you use to bind to toxins and/or bacteria?
Kaolin/pectin
Which intestinal protectant can be used in cases of acute toxicoses?
Activated charcoal
Which intestinal protectant can be useful in cases of secretory diarrhea?
Bismuth subsalicylate
What is pepto-bismol?
Bismuth subsalicylate
What are causes of gastric ulceration and erosion?
- Drugs (NSAIDs, steroids)
- Mucosal ischemia
- CNS disease
- Liver disease
- Renal disease
- Mucosal inflammation (IBD, neoplasia)
What are the clinical signs associated with gastric ulceration or erosioin?
- Vomiting
- Melena
- Weight loss
- Decreased food intake
- Abdominal pain
Mg salts may cause ____.
Diarrhea
Ca++ salts may cause ____.
Constipation
Name 3 histamine antagonists.
- Cimetidine
- Famotidine
- Ranitidine
Which histamine antagonist is a prokinetic?
Ranitidine
Where in the GIT does Ranitidine stimulate smooth muscle activity?
Aboral to the pylorus
Sucralfate inactivates ____ and activates ____.
Sucralfate inactivates PEPSINS and activates PGE.
Which pump does Omeprazole inhibit?
H+/K+ ATPase pump
What are 2 adverse effects of omeprazole?
- SIBO
2. Achlorhydria
What are the 4 main effects of mucosal PGEs?
- Decrease H+ secretion
- Increase mucus secretion
- Increase gastric blood flow
- Increase HCO3 production
Name 4 prokinetic drugs.
- Metoclopramide
- Cisapride
- H2 blockers (ranitidine, nizatidine)
- Erythromycin
Where does sulfasalazine work?
Colon
What is sulfasalazine used to treat in the dog?
IBD colitis
Lactulose reduces ___ and is used in ___ patients.
Lactulose reduces NH3 and is used in LIVER patients.
Metronidazole decreases what type of bacteria?
Urease-producing bacteria
What is SAMe (S-Adenosyl-Methionine)?
Anti-inflammatory nutraceutical
What is the common name for SAMe?
Denosyl SD4
How does SAMe work?
Scavenges reactive O2 species that are toxic to hepatocytes
What are the components of Demamarin?
- Milk thistle
2. SAMe
How does Denamarin work?
Scavenges free radicals
True or False: with IBD, novel, highly digestible proteins are contraindicated.
FALSE - novel, highly digestible proteins are best.
With IBD, ___ fatty acids help decrease intestinal inflammation.
n-3 fatty acids
____ promotes epithelial integrity.
Glutamate
____ promotes dietary sensitivity.
Gluten
____ contributes to osmotic diarrhea.
Lactose