Peptic Ulcer Drugs Flashcards
Triple therapy
Omeprexole
Metronidazole/amoxicillin
Clarythromycin
Duration of triple therapy
10-14days
Quadruple therapy
Bismuth subsalicyclate
Metronidazole
Tetracycline
PPI (omeprexole)
H2 blockers
Ronitidine
Famotidine
Cimetidine
Nizatidine
Stress ulcers emergency
H2 blockers IV
Adverse effect of Cimetidine
Inhibites p450 enzymes
Crosses placenta
Antiandrogenic (gynacomastia)
Most potent H2 blocker
Famotidine
H2 blocker to be eliminated by kidney
Nizatidine
Adverse effects of H2 blockers
Headache
Myalgia
Dizziness
Iv administration causes hallucinations and confusion
Proton pump inhibitors
Omeprezole
Iansoprezole
Rabeprezole
Esomeprezole
Site of action of PPI
Parietal cell canalicuili
Zollinger ellison syndrome
PPI
Dicyclomine
Duodenal ulcers
PPI
Nsaid ulcer
ppi
Esophigitis
PPI
When is PPI taken
30mins before largest meal
Adverse effects of PPI
Hydrochloridia Hypergastrinemia (carcinoid tumors) B12 def. Colitis diarrhea Hypocalcemia
Prostaglandins
Misoprostol (PGE1)
Prophylactic therapy in NSAID users
Misoprostol
Contraindicated in pregnancy due to contractions
Misoprostol
AE of misoprostol
Diarrhea nausea
Antimuscuranics
Diacyclomine
AE of Diacyclomine
Dry mouth
Arrythmia
Constipation
Antacids
Weak bases
Salts of alimunium and magnesium
Sodium bicarbonate
Metabolic alkalosis
Last line therapy for duodenal ulcers
Antacids
Aluminium salts
Constipation
Magnesium salts
Diarrhea
Contraindications of sodium salts
HT
HF
RF
Mucosal protective agents
Sucralfate
Bismuth subsalicyclate
Sucralfate
Aluminium hydroxide+ sulfated sucrose
Sucralfate
Aluminium hydroxide+ sulfated sucrose
MOA of sucralfate
Binds to +vely charged proteins and forms a complex gel with epithelial cells that acts as a barrier against HCl
Increases PG and HCO3
Why is sucralfacte not given with antacids and H2blockers
It requires low ph
Bismuth subsalicyclate MOA
Inhibits pepsin and increases mucus
Interacts with glycoprtein in necrotic tissue to preserve ulcer
PPIs given IV
Esomeprazole, lansoprazole and pantoprezole