Drug interactions
Cariprazine + Lithium
Severity: Moderate
Cariprazine and Lithium: 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
Lithium combined with cariprazine is used clinically in bipolar disorder, but lithium with antipsychotics has been associated with rare neurotoxicity, extrapyramidal symptoms and neuroleptic malignant syndrome. Serotonin syndrome is also theoretically possible.
What this interaction means in plain words
Cariprazine and Lithium 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.
Cariprazine belongs to Central Nervous System; Lithium belongs to Central Nervous System.
Why it happens
Additive pharmacodynamic effects on dopaminergic and serotonergic neurotransmission; no major pharmacokinetic interaction is established.
What to do
Monitor for rigidity, tremor, akathisia, confusion and fever, particularly after dose increases. Stop the antipsychotic and seek urgent care if neuroleptic malignant syndrome is suspected.
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 Lithium
- Lithium + Thioridazine Contraindicated
- Lithium + Vandetanib Contraindicated
- Aceclofenac + Lithium Major
- Acemetacin + Lithium Major
- Amisulpride + Lithium Major
- Amlodipine-benazepril + Lithium Major
Other interactions of Cariprazine
Frequently asked questions
Can I take Cariprazine with Lithium?
MediHelp rates the interaction as moderate. Cariprazine and Lithium 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. Lithium combined with cariprazine is used clinically in bipolar disorder, but lithium with antipsychotics has been associated with rare neurotoxicity, extrapyramidal symptoms and neuroleptic malignant syndrome. Serotonin syndrome is also theoretically possible.
How serious is the interaction between Cariprazine and Lithium?
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 for rigidity, tremor, akathisia, confusion and fever, particularly after dose increases. Stop the antipsychotic and seek urgent care if neuroleptic malignant syndrome is suspected.
What other medicines interact with Lithium?
MediHelp also lists interactions of Lithium with, for example, Thioridazine, Vandetanib, Aceclofenac. The full list is on the Lithium page.
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