Drug interactions
Amitriptyline + Prednisone
Severity: Minor
Amitriptyline and Prednisone: 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
Prednisone is at most a weak CYP3A4 inducer and amitriptyline is cleared by several pathways, so little change in exposure is expected. Corticosteroids may also contribute to mood changes, which could be confused with loss of antidepressant effect.
What this interaction means in plain words
Amitriptyline and Prednisone have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Amitriptyline belongs to Central Nervous System; Prednisone belongs to Endocrine.
Why it happens
Possible weak CYP3A4 induction; the effect is not well established.
What to do
No routine adjustment is needed; reassess antidepressant response and mood if symptoms change during steroid therapy.
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 Prednisone
- Bcg vaccine live + Prednisone Contraindicated
- Measles vaccine + Prednisone Contraindicated
- Mifepristone + Prednisone Contraindicated
- Prednisone + Radium-223 dichloride Contraindicated
- Prednisone + Smallpox vaccine live Contraindicated
- Adenovirus types 4 and 7 live + Prednisone Major
Other interactions of Amitriptyline
- Amitriptyline + Isocarboxazid Contraindicated
- Amitriptyline + Methylene blue Contraindicated
- Amitriptyline + Phenelzine Contraindicated
- Amitriptyline + Pimozide Contraindicated
- Amitriptyline + Procarbazine Contraindicated
- Amitriptyline + Safinamide Contraindicated
Frequently asked questions
Can I take Amitriptyline with Prednisone?
MediHelp rates the interaction as minor. Amitriptyline and Prednisone have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Prednisone is at most a weak CYP3A4 inducer and amitriptyline is cleared by several pathways, so little change in exposure is expected. Corticosteroids may also contribute to mood changes, which could be confused with loss of antidepressant effect.
How serious is the interaction between Amitriptyline and Prednisone?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No routine adjustment is needed; reassess antidepressant response and mood if symptoms change during steroid therapy.
What other medicines interact with Prednisone?
MediHelp also lists interactions of Prednisone with, for example, Bcg vaccine live, Measles vaccine, Mifepristone. The full list is on the Prednisone page.
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