Drug interactions
Clozapine + Saxagliptin-metformin
Severity: Major
Clozapine and Saxagliptin-metformin: major 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
Clozapine often causes marked hyperglycemia, insulin resistance and new-onset diabetes. This can substantially undermine glucose control in patients taking saxagliptin-metformin.
What this interaction means in plain words
Clozapine and Saxagliptin-metformin can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Clozapine belongs to Central Nervous System; Saxagliptin-metformin belongs to Endocrine.
Why it happens
Pharmacodynamic antagonism through clozapine-induced weight gain, insulin resistance and impaired insulin secretion.
What to do
Monitor glucose and HbA1c frequently, particularly in the first months of clozapine therapy, and intensify antidiabetic treatment as needed. Watch for diabetic ketoacidosis in symptomatic patients.
What to ask your pharmacist
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
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Other interactions of Saxagliptin-metformin
Other interactions of Clozapine
- Clozapine + Deferiprone Contraindicated
- Clozapine + Irinotecan Contraindicated
- Clozapine + Pimozide Contraindicated
- Clozapine + Thioridazine Contraindicated
- Acalabrutinib + Clozapine Major
- Adagrasib + Clozapine Major
Frequently asked questions
Can I take Clozapine with Saxagliptin-metformin?
MediHelp rates the interaction as major. Clozapine and Saxagliptin-metformin can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Clozapine often causes marked hyperglycemia, insulin resistance and new-onset diabetes. This can substantially undermine glucose control in patients taking saxagliptin-metformin.
How serious is the interaction between Clozapine and Saxagliptin-metformin?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor glucose and HbA1c frequently, particularly in the first months of clozapine therapy, and intensify antidiabetic treatment as needed. Watch for diabetic ketoacidosis in symptomatic patients.
What other medicines interact with Saxagliptin-metformin?
MediHelp also lists interactions of Saxagliptin-metformin with, for example, Atazanavir, Contrast media, Diatrizoate meglumine / diatrizoate. The full list is on the Saxagliptin-metformin page.
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