Drug interactions
Fluphenazine + Linagliptin-metformin
Severity: Minor
Fluphenazine and Linagliptin-metformin: 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
Phenothiazines and other antipsychotics may cause hyperglycemia and weight gain, which can reduce antidiabetic control. Fluphenazine has a lower metabolic liability than many atypical antipsychotics.
What this interaction means in plain words
Fluphenazine and Linagliptin-metformin have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Fluphenazine belongs to Central Nervous System; Linagliptin-metformin belongs to Endocrine.
Why it happens
Antipsychotic-related impairment of insulin sensitivity and secretion opposes metformin.
What to do
Monitor glucose and HbA1c after starting fluphenazine and adjust antidiabetic therapy as 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 Linagliptin-metformin
Other interactions of Fluphenazine
- Arsenic trioxide + Fluphenazine Contraindicated
- Dofetilide + Fluphenazine Contraindicated
- Fluphenazine + Ibutilide Contraindicated
- Fluphenazine + Pimozide Contraindicated
- Adagrasib + Fluphenazine Major
- Alfentanil + Fluphenazine Major
Frequently asked questions
Can I take Fluphenazine with Linagliptin-metformin?
MediHelp rates the interaction as minor. Fluphenazine and Linagliptin-metformin have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Phenothiazines and other antipsychotics may cause hyperglycemia and weight gain, which can reduce antidiabetic control. Fluphenazine has a lower metabolic liability than many atypical antipsychotics.
How serious is the interaction between Fluphenazine and Linagliptin-metformin?
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 glucose and HbA1c after starting fluphenazine and adjust antidiabetic therapy as needed.
What other medicines interact with Linagliptin-metformin?
MediHelp also lists interactions of Linagliptin-metformin with, for example, Apalutamide, Carbamazepine, Contrast media. The full list is on the Linagliptin-metformin page.
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