ClinCalc Pro
Menu
SGLT2 inhibitor + biguanide

Empagliflozin with metformin

Brand names: Synjardy

Adult dose

Dose: 5/850mg or 5/1000mg or 12.5/850mg or 12.5/1000mg BD per titration
Route: Oral
Frequency: BD

Clinical pearls

  • NICE NG28: SGLT2i preferred adjunct to metformin if established CV disease, HF, or CKD
  • Sick-day rules for SGLT2i and metformin
  • Withhold around contrast/surgery

Contraindications

  • eGFR <30mL/min
  • Acute illness with risk of dehydration
  • Severe hepatic disease
  • DKA history
  • Pregnancy
  • Hypersensitivity

Side effects

  • GI upset (metformin)
  • Genitourinary infections
  • DKA
  • Lactic acidosis (rare; metformin)
  • Volume depletion
  • Fournier's gangrene

Interactions

  • Iodinated contrast (withhold metformin)
  • Diuretics
  • RAAS inhibitors
  • Alcohol

Monitoring

  • HbA1c
  • eGFR
  • B12 (long-term metformin)
  • Volume status
  • Foot care

Reference: BNF; NICE NG28; MHRA; ADA-EASD; https://bnf.nice.org.uk/drugs/empagliflozin-with-metformin/. Verify against your local formulary and the latest BNF before prescribing.

Related

Curated clinical cross-links plus same-class fallbacks.