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Drug interactions

Insulin degludec + Norethisterone

Severity: Minor

Insulin degludec and Norethisterone: minor 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

Progestins can modestly impair glucose tolerance and may reduce the glucose-lowering effect of insulin. The effect is generally small with norethisterone but may matter in poorly controlled diabetes.

What this interaction means in plain words

Insulin degludec and Norethisterone have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.

Insulin degludec belongs to Endocrine; Norethisterone belongs to Endocrine.

Evidence level: Low

Why it happens

Progestogenic effects can reduce insulin sensitivity, opposing the action of insulin.

What to do

Monitor blood glucose when starting or stopping norethisterone and adjust the insulin dose if needed.

What to ask your pharmacist

  • Is there anything I should notice while taking both?
  • Do I need to tell my doctor at the next visit?

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 Insulin degludec with Norethisterone?

MediHelp rates the interaction as minor. Insulin degludec and Norethisterone have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Progestins can modestly impair glucose tolerance and may reduce the glucose-lowering effect of insulin. The effect is generally small with norethisterone but may matter in poorly controlled diabetes.

How serious is the interaction between Insulin degludec and Norethisterone?

MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor blood glucose when starting or stopping norethisterone and adjust the insulin dose if needed.

What other medicines interact with Norethisterone?

MediHelp also lists interactions of Norethisterone with, for example, Acitretin, Amobarbital, Apalutamide. The full list is on the Norethisterone page.

Full monographs, dosing and an interaction checker in the MediHelp app

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