Drug interactions
Nateglinide + Protriptyline
Severity: Minor
Nateglinide 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 occasionally been linked to altered glucose control, including hypoglycemia, in patients on antidiabetic agents. The effect with nateglinide is possible but poorly documented.
What this interaction means in plain words
Nateglinide 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 pharmacodynamic effect on glucose homeostasis; not well characterised.
What to do
Monitor blood glucose when protriptyline is started or stopped. Adjust the nateglinide dose if glucose 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?
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Other interactions of Nateglinide
- Albiglutide + Nateglinide Moderate
- Alogliptin-metformin + Nateglinide Moderate
- Alogliptin-pioglitazone + Nateglinide Moderate
- Alogliptin + Nateglinide Moderate
- Alpelisib + Nateglinide Moderate
- Amiodarone + Nateglinide Moderate
Frequently asked questions
Can I take Nateglinide with Protriptyline?
MediHelp rates the interaction as minor. Nateglinide 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 occasionally been linked to altered glucose control, including hypoglycemia, in patients on antidiabetic agents. The effect with nateglinide is possible but poorly documented.
How serious is the interaction between Nateglinide 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. Adjust the nateglinide dose if glucose changes.
What other medicines interact with Nateglinide?
MediHelp also lists interactions of Nateglinide with, for example, Albiglutide, Alogliptin-metformin, Alogliptin-pioglitazone. The full list is on the Nateglinide page.
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