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Drug interactions

Ertugliflozin + Insulin lispro

Severity: Moderate

Ertugliflozin and Insulin lispro: moderate interaction.

Last updated

For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.

Summary

Ertugliflozin lowers blood glucose by promoting urinary glucose excretion, and combined with insulin it raises hypoglycemia risk. SGLT2 inhibitors also carry a ketoacidosis risk, which is relevant when insulin doses are reduced.

What this interaction means in plain words

Ertugliflozin and Insulin lispro can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.

Ertugliflozin belongs to Endocrine; Insulin lispro belongs to Endocrine.

Evidence level: High

Why it happens

Insulin-independent glucose lowering through SGLT2 inhibition adds to the effect of exogenous insulin.

What to do

Consider lowering the insulin lispro dose when ertugliflozin is started and monitor blood glucose closely. Avoid excessive insulin reduction and monitor for ketoacidosis.

What to ask your pharmacist

  • Should I take them at different times of day?
  • Does the dose of either medicine need to change?
  • Is there anything I should avoid, such as alcohol or certain foods, while on both?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Ertugliflozin with Insulin lispro?

MediHelp rates the interaction as moderate. Ertugliflozin and Insulin lispro can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Ertugliflozin lowers blood glucose by promoting urinary glucose excretion, and combined with insulin it raises hypoglycemia risk. SGLT2 inhibitors also carry a ketoacidosis risk, which is relevant when insulin doses are reduced.

How serious is the interaction between Ertugliflozin and Insulin lispro?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Consider lowering the insulin lispro dose when ertugliflozin is started and monitor blood glucose closely. Avoid excessive insulin reduction and monitor for ketoacidosis.

What other medicines interact with Insulin lispro?

MediHelp also lists interactions of Insulin lispro with, for example, Alogliptin-pioglitazone, Ethanol, Metreleptin. The full list is on the Insulin lispro page.

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