Drug interactions
Insulin aspart + Protriptyline
Severity: Minor
Insulin aspart 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 such as protriptyline can occasionally alter glycemic control and may enhance the effect of insulin. The effect is generally small and variable.
What this interaction means in plain words
Insulin aspart 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 effect through altered insulin sensitivity; the mechanism is not firmly established.
What to do
Monitor blood glucose when protriptyline is started or stopped, and adjust insulin 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 Insulin aspart
Frequently asked questions
Can I take Insulin aspart with Protriptyline?
MediHelp rates the interaction as minor. Insulin aspart 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 such as protriptyline can occasionally alter glycemic control and may enhance the effect of insulin. The effect is generally small and variable.
How serious is the interaction between Insulin aspart 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 insulin if needed.
What other medicines interact with Insulin aspart?
MediHelp also lists interactions of Insulin aspart with, for example, Alogliptin-pioglitazone, Ethanol, Glimepiride-pioglitazone. The full list is on the Insulin aspart page.
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