GORD Drugs 05.15 Flashcards
Match the treatment to the mechanism:
- Neutralise acid
- Reduce irritancy of acid
- Mucosal defence
- Gastric stimulants
- Reduce acid production
a. PPIs / H receptor antagonists
b. Antacid
c. Metclopramide / domperidone
d. Sucralfate, misoprostol
e. Alginates (sodium bicarb, alumin and ca+ salts)
- Neutralise acid - antacids
- Reduce irritancy of acid - Alginates
- Mucosal defence - Sucralfate, misoprostol
- Gastric stimulants - Metclopramide / domperidone
- Reduce acid production - PPIs / H receptor antagonists.
S/E of aluminium and calcium based alginates
Constipation
How do alginates work simply
Increase viscosity of stomach contents
This med stimulates prostoglandin production as well as bicabonate
Sucralfate
SE of Sucralfate
Constipation
Interactions of sucralfate (3)
Digoxin, antibiotics, phenytoin
This med is a prostaglandin analogue - acts at prostaglandin receptors
Misoprostol
Misoprostol SE
Diarrhoea
Abd pain
Misoprostol contraindicated in which people
Pregn and child bearing age women
These 2 drugs are gastric stimulants - incr peristalsis in duodenum & jejenum by stimulating muscarinic receptors
Domperidone / metoclopramide
Ranitidine, cimetidine, nizatidine, famotidine, all what type of drug
H2 receptor antagonists - bind to H2 receptor and suppress acid production
SE of H2 receptor antagonists
Diarrhoea, headache constipation, confusion, hallucinations
Cimetidine is a CYP450 inhibitor or inducer?
Inhibitor
Omeprazole, lansoprazole etc are what type of drug
PPI - Proton Pump Inhibitor
Omeprazole interacts with what anti platelet drug
Clopidogrel