Drug interactions
Metformin-sitagliptin + Paliperidone
Severity: Moderate
Metformin-sitagliptin and Paliperidone: 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
Paliperidone can cause hyperglycemia and metabolic changes in some patients. This may reduce the effectiveness of metformin and sitagliptin.
What this interaction means in plain words
Metformin-sitagliptin and Paliperidone 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.
Metformin-sitagliptin belongs to Endocrine; Paliperidone belongs to Central Nervous System.
Why it happens
Pharmacodynamic antagonism through antipsychotic-induced insulin resistance and impaired glucose regulation.
What to do
Monitor fasting glucose and HbA1c after starting paliperidone and adjust antidiabetic therapy as needed.
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 Metformin-sitagliptin
Other interactions of Paliperidone
- Ibutilide + Paliperidone Contraindicated
- Paliperidone + Pimozide Contraindicated
- Paliperidone + Vandetanib Contraindicated
- Adagrasib + Paliperidone Major
- Amiodarone + Paliperidone Major
- Amisulpride + Paliperidone Major
Frequently asked questions
Can I take Metformin-sitagliptin with Paliperidone?
MediHelp rates the interaction as moderate. Metformin-sitagliptin and Paliperidone 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. Paliperidone can cause hyperglycemia and metabolic changes in some patients. This may reduce the effectiveness of metformin and sitagliptin.
How serious is the interaction between Metformin-sitagliptin and Paliperidone?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor fasting glucose and HbA1c after starting paliperidone and adjust antidiabetic therapy as needed.
What other medicines interact with Metformin-sitagliptin?
MediHelp also lists interactions of Metformin-sitagliptin with, for example, Clozapine, Contrast media, Diatrizoate meglumine / diatrizoate. The full list is on the Metformin-sitagliptin page.
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