H2 Receptor Blockers Flashcards

1
Q

Examples

A

Nizatidine, ranitidine

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2
Q

Mechanism

A
  • Competitive agonist histamine receptor on parietal cells -> less gastric acid secretion
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3
Q

Indications

A
  • GORD
  • Peptic ulcers
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4
Q

SE

A

Common: headache, diarrhoea

Important: Gynaecomastia

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5
Q

CI

A
  • Hepatic impairment
  • Renal impairment
  • Mask suspected gastric cancer (ALARMS)
  • Pregnancy
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