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Type 2 Diabetes Management Guidelines


  • Adverse effects of metformin include:
  • Nausea, abdominal pain, vomiting and diarrhoea (common but often transient)
  • Metallic taste in mouth
  • Lactic acidosis (rare)
  • Mild reduction in serum vitamin B12 levels but B12 deficiency is rare.

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Unapproved medicines and unapproved uses of medicines: keeping prescribers and patients safe