Drug interactions
Amitriptyline + Dobutamine
Severity: Moderate
Amitriptyline and Dobutamine: 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
Amitriptyline can potentiate cardiovascular effects of catecholamines by blocking norepinephrine reuptake. Dobutamine may then cause greater tachycardia, hypertension or arrhythmia, though dobutamine acts directly and the effect is typically moderate.
What this interaction means in plain words
Amitriptyline and Dobutamine 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.
Amitriptyline belongs to Central Nervous System; Dobutamine belongs to Cardiovascular.
Why it happens
Inhibition of norepinephrine reuptake and anticholinergic effects of amitriptyline enhance sympathomimetic responses.
What to do
Titrate dobutamine from a low dose with continuous ECG and blood pressure monitoring.
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 Dobutamine
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 Dobutamine?
MediHelp rates the interaction as moderate. Amitriptyline and Dobutamine 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. Amitriptyline can potentiate cardiovascular effects of catecholamines by blocking norepinephrine reuptake. Dobutamine may then cause greater tachycardia, hypertension or arrhythmia, though dobutamine acts directly and the effect is typically moderate.
How serious is the interaction between Amitriptyline and Dobutamine?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Titrate dobutamine from a low dose with continuous ECG and blood pressure monitoring.
What other medicines interact with Dobutamine?
MediHelp also lists interactions of Dobutamine with, for example, Budesonide-formoterol, Dihydroergotamine intranasal, Dihydroergotamine. The full list is on the Dobutamine page.
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