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Drug interactions

Insulin degludec-insulin aspart + Propranolol

Severity: Moderate

Insulin degludec-insulin aspart and Propranolol: 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

Propranolol, a nonselective beta-blocker, can mask hypoglycemia symptoms such as tremor and tachycardia, and may prolong recovery from low glucose. This increases the risk of unrecognized or severe hypoglycemia in insulin users.

What this interaction means in plain words

Insulin degludec-insulin aspart and Propranolol 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.

Insulin degludec-insulin aspart belongs to Endocrine; Propranolol belongs to Cardiovascular.

Evidence level: High

Why it happens

Nonselective beta blockade masks adrenergic symptoms and impairs glycogenolysis and counter-regulation.

What to do

Monitor glucose frequently and educate the patient that sweating may be the only warning sign. Consider a cardioselective agent if a beta-blocker is needed and adjust insulin as required.

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 Insulin degludec-insulin aspart with Propranolol?

MediHelp rates the interaction as moderate. Insulin degludec-insulin aspart and Propranolol 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. Propranolol, a nonselective beta-blocker, can mask hypoglycemia symptoms such as tremor and tachycardia, and may prolong recovery from low glucose. This increases the risk of unrecognized or severe hypoglycemia in insulin users.

How serious is the interaction between Insulin degludec-insulin aspart and Propranolol?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor glucose frequently and educate the patient that sweating may be the only warning sign. Consider a cardioselective agent if a beta-blocker is needed and adjust insulin as required.

What other medicines interact with Insulin degludec-insulin aspart?

MediHelp also lists interactions of Insulin degludec-insulin aspart with, for example, Chlorpropamide, Clozapine, Diazoxide. The full list is on the Insulin degludec-insulin aspart page.

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