Drug interactions
Linagliptin + St john's wort
Severity: Moderate
Linagliptin and St john's wort: moderate 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
St John's wort induces CYP3A4 and P-glycoprotein and is expected to lower linagliptin concentrations. This may reduce its glucose-lowering effect.
What this interaction means in plain words
Linagliptin and St john's wort can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Why it happens
Induction of CYP3A4 and P-glycoprotein by hyperforin increases linagliptin clearance.
What to do
Advise patients to avoid St John's wort where possible. Monitor blood glucose if it is used, and consider an alternative antidiabetic agent.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
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Other interactions of Linagliptin
- Alogliptin-pioglitazone + Linagliptin Moderate
- Amlodipine-benazepril + Linagliptin Moderate
- Amobarbital + Linagliptin Moderate
- Apalutamide + Linagliptin Moderate
- Benazepril + Linagliptin Moderate
- Bexarotene + Linagliptin Moderate
Frequently asked questions
Can I take Linagliptin with St john's wort?
MediHelp rates the interaction as moderate. Linagliptin and St john's wort can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. St John's wort induces CYP3A4 and P-glycoprotein and is expected to lower linagliptin concentrations. This may reduce its glucose-lowering effect.
How serious is the interaction between Linagliptin and St john's wort?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Advise patients to avoid St John's wort where possible. Monitor blood glucose if it is used, and consider an alternative antidiabetic agent.
What other medicines interact with Linagliptin?
MediHelp also lists interactions of Linagliptin with, for example, Alogliptin-pioglitazone, Amlodipine-benazepril, Amobarbital. The full list is on the Linagliptin page.
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