Skip to content

Drug interactions

Chlorpropamide + Insulin neutral human

Severity: Major

Chlorpropamide and Insulin neutral human: major 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

Combining insulin with chlorpropamide increases the risk of hypoglycemia. Chlorpropamide has a very long half-life, so hypoglycemia can be prolonged, especially in older patients or those with renal impairment.

What this interaction means in plain words

Chlorpropamide and Insulin neutral human can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.

Chlorpropamide belongs to Endocrine; Insulin neutral human belongs to Endocrine.

Evidence level: High

Why it happens

Additive hypoglycemic effect from exogenous insulin and sulfonylurea-stimulated endogenous insulin secretion.

What to do

Prefer a shorter-acting sulfonylurea if combination therapy is needed. Monitor glucose frequently and reduce the insulin or sulfonylurea dose if hypoglycemia occurs.

What to ask your pharmacist

  • Does the benefit of taking both outweigh the risk in my case?
  • Do I need any blood test, ECG or other check while on both?
  • What early warning signs should I watch for, and what should I do if they appear?

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

Pro+ members

Unlock the full page

Create an account and start a Pro+ trial to unlock the full management advice for Chlorpropamide and Insulin neutral human, the additional notes, the evidence detail and the whole-prescription interaction checker.

  • Full clinical management advice
  • Additional notes
  • Evidence detail
  • Interaction checker for a whole prescription

Try Pro+ free for 14 days on the web. No card needed.

Frequently asked questions

Can I take Chlorpropamide with Insulin neutral human?

MediHelp rates the interaction as major. Chlorpropamide and Insulin neutral human can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Combining insulin with chlorpropamide increases the risk of hypoglycemia. Chlorpropamide has a very long half-life, so hypoglycemia can be prolonged, especially in older patients or those with renal impairment.

How serious is the interaction between Chlorpropamide and Insulin neutral human?

MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Prefer a shorter-acting sulfonylurea if combination therapy is needed. Monitor glucose frequently and reduce the insulin or sulfonylurea dose if hypoglycemia occurs.

What other medicines interact with Insulin neutral human?

MediHelp also lists interactions of Insulin neutral human with, for example, Ethanol, Mecasermin, Pentamidine. The full list is on the Insulin neutral human page.

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

Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.

Browse A–Z · Drug interactions

Get the app Sign in