Drug interactions
Dexfenfluramine + Dobutamine
Severity: Moderate
Dexfenfluramine 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
Both agents increase sympathetic or serotonergic-noradrenergic drive, so combined use may add to increases in heart rate and blood pressure. Arrhythmia or hypertensive responses are possible in susceptible patients.
What this interaction means in plain words
Dexfenfluramine 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.
Why it happens
Additive adrenergic stimulation: direct beta-agonism by dobutamine plus monoamine release by dexfenfluramine.
What to do
Monitor blood pressure, heart rate and ECG during dobutamine infusion. Avoid starting or continuing the anorectic agent during inotropic therapy where possible.
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
Frequently asked questions
Can I take Dexfenfluramine with Dobutamine?
MediHelp rates the interaction as moderate. Dexfenfluramine 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. Both agents increase sympathetic or serotonergic-noradrenergic drive, so combined use may add to increases in heart rate and blood pressure. Arrhythmia or hypertensive responses are possible in susceptible patients.
How serious is the interaction between Dexfenfluramine 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: Monitor blood pressure, heart rate and ECG during dobutamine infusion. Avoid starting or continuing the anorectic agent during inotropic therapy where possible.
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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