Drug interactions
Chlorpropamide + Protriptyline
Severity: Minor
Chlorpropamide 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 glycemic control and occasionally enhanced hypoglycemia when given with sulfonylureas. The effect is inconsistent and generally modest.
What this interaction means in plain words
Chlorpropamide 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.
Why it happens
Possible additive glucose lowering through effects on insulin sensitivity and secretion; not fully defined.
What to do
Monitor blood glucose when protriptyline is started or stopped and adjust the chlorpropamide 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?
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Other interactions of Chlorpropamide
Frequently asked questions
Can I take Chlorpropamide with Protriptyline?
MediHelp rates the interaction as minor. Chlorpropamide 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 glycemic control and occasionally enhanced hypoglycemia when given with sulfonylureas. The effect is inconsistent and generally modest.
How serious is the interaction between Chlorpropamide 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 the chlorpropamide dose if needed.
What other medicines interact with Chlorpropamide?
MediHelp also lists interactions of Chlorpropamide with, for example, Ethanol, Exenatide, Insulin degludec-insulin aspart. The full list is on the Chlorpropamide page.
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