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Drug interactions

Glipizide + Protriptyline

Severity: Minor

Glipizide and Protriptyline: 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

Tricyclic antidepressants have been associated with altered glucose control, and hypoglycemia has been reported with some when combined with sulfonylureas. The effect is inconsistent and generally modest.

What this interaction means in plain words

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

Evidence level: Low

Why it happens

Possible additive effects on glucose regulation; the mechanism is not clearly established.

What to do

Monitor blood glucose when protriptyline is started or stopped and adjust glipizide only if glucose control changes.

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 Glipizide with Protriptyline?

MediHelp rates the interaction as minor. Glipizide and Protriptyline have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Tricyclic antidepressants have been associated with altered glucose control, and hypoglycemia has been reported with some when combined with sulfonylureas. The effect is inconsistent and generally modest.

How serious is the interaction between Glipizide and Protriptyline?

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 protriptyline is started or stopped and adjust glipizide only if glucose control changes.

What other medicines interact with Glipizide?

MediHelp also lists interactions of Glipizide with, for example, Disopyramide, Fluconazole, Insulin degludec-liraglutide. The full list is on the Glipizide page.

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