Drug interactions
Diethylpropion + Tapentadol
Severity: Moderate
Diethylpropion and Tapentadol: 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
Diethylpropion is a sympathomimetic appetite suppressant, and tapentadol has noradrenergic activity. Together they may raise blood pressure and heart rate and increase CNS excitation, while any stimulant effect on opioid sedation is unreliable.
What this interaction means in plain words
Diethylpropion and Tapentadol 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 noradrenergic and sympathomimetic effects; the effect on sedation is opposing and not well characterized.
What to do
Monitor blood pressure, heart rate and for agitation or tremor. Avoid the combination in patients with uncontrolled hypertension or significant cardiac disease.
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 Tapentadol
- Calcium / magnesium / potassium / sodium oxybates + Tapentadol Contraindicated
- Isocarboxazid + Tapentadol Contraindicated
- Linezolid + Tapentadol Contraindicated
- Methylene blue + Tapentadol Contraindicated
- Olanzapine / samidorphan + Tapentadol Contraindicated
- Phenelzine + Tapentadol Contraindicated
Frequently asked questions
Can I take Diethylpropion with Tapentadol?
MediHelp rates the interaction as moderate. Diethylpropion and Tapentadol 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. Diethylpropion is a sympathomimetic appetite suppressant, and tapentadol has noradrenergic activity. Together they may raise blood pressure and heart rate and increase CNS excitation, while any stimulant effect on opioid sedation is unreliable.
How serious is the interaction between Diethylpropion and Tapentadol?
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 for agitation or tremor. Avoid the combination in patients with uncontrolled hypertension or significant cardiac disease.
What other medicines interact with Tapentadol?
MediHelp also lists interactions of Tapentadol with, for example, Calcium / magnesium / potassium / sodium oxybates, Isocarboxazid, Linezolid. The full list is on the Tapentadol page.
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