Drug interactions
Aripiprazole + Dexamethasone
Severity: Moderate
Aripiprazole and Dexamethasone: 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
Dexamethasone is a CYP3A4 inducer and may lower aripiprazole concentrations, particularly with prolonged or high-dose use. This may reduce antipsychotic effect.
What this interaction means in plain words
Aripiprazole and Dexamethasone 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.
Aripiprazole belongs to Central Nervous System; Dexamethasone belongs to Endocrine.
Why it happens
Induction of CYP3A4 by dexamethasone increases aripiprazole metabolism.
What to do
Monitor for loss of psychiatric control during extended dexamethasone courses and adjust the aripiprazole dose accordingly. Corticosteroids can also precipitate psychiatric symptoms, so review mental state.
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 Aripiprazole
- Aripiprazole + Pimozide Contraindicated
- Aripiprazole + Thioridazine Contraindicated
- Amisulpride + Aripiprazole Major
- Aripiprazole + Arsenic trioxide Major
- Aripiprazole + Calcium / magnesium / potassium / sodium oxybates Major
- Aripiprazole + Carbamazepine Major
Other interactions of Dexamethasone
- Bcg vaccine live + Dexamethasone Contraindicated
- Dexamethasone + Mifepristone Contraindicated
- Dexamethasone + Rilpivirine Contraindicated
- Dexamethasone + Smallpox vaccine live Contraindicated
- Dexamethasone + Varicella virus vaccine live Contraindicated
- Dexamethasone + Yellow fever vaccine Contraindicated
Frequently asked questions
Can I take Aripiprazole with Dexamethasone?
MediHelp rates the interaction as moderate. Aripiprazole and Dexamethasone 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. Dexamethasone is a CYP3A4 inducer and may lower aripiprazole concentrations, particularly with prolonged or high-dose use. This may reduce antipsychotic effect.
How serious is the interaction between Aripiprazole and Dexamethasone?
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 loss of psychiatric control during extended dexamethasone courses and adjust the aripiprazole dose accordingly. Corticosteroids can also precipitate psychiatric symptoms, so review mental state.
What other medicines interact with Aripiprazole?
MediHelp also lists interactions of Aripiprazole with, for example, Pimozide, Thioridazine, Amisulpride. The full list is on the Aripiprazole page.
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