Drug interactions
Dobutamine + Phentermine
Severity: Moderate
Dobutamine and Phentermine: 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
Phentermine is a sympathomimetic amine that increases blood pressure and heart rate. Combined with dobutamine, cardiovascular stimulation is additive and may provoke hypertension, tachycardia or arrhythmia.
What this interaction means in plain words
Dobutamine and Phentermine 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.
Dobutamine belongs to Cardiovascular; Phentermine belongs to Central Nervous System.
Why it happens
Additive sympathomimetic effect via indirect norepinephrine release and direct adrenergic agonism.
What to do
Monitor blood pressure, heart rate and ECG during infusion. Consider withholding phentermine while dobutamine is given.
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 Phentermine
- Isocarboxazid + Phentermine Contraindicated
- Linezolid + Phentermine Contraindicated
- Phenelzine + Phentermine Contraindicated
- Phentermine + Procarbazine Contraindicated
- Phentermine + Rasagiline Contraindicated
- Phentermine + Selegiline Contraindicated
Frequently asked questions
Can I take Dobutamine with Phentermine?
MediHelp rates the interaction as moderate. Dobutamine and Phentermine 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. Phentermine is a sympathomimetic amine that increases blood pressure and heart rate. Combined with dobutamine, cardiovascular stimulation is additive and may provoke hypertension, tachycardia or arrhythmia.
How serious is the interaction between Dobutamine and Phentermine?
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 infusion. Consider withholding phentermine while dobutamine is given.
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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