Drug interactions
Phendimetrazine + Tapentadol
Severity: Moderate
Phendimetrazine 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
Phendimetrazine is a sympathomimetic anorectic, and tapentadol also inhibits noradrenaline reuptake. Together they may increase blood pressure and heart rate, and a serotonergic or seizure risk is theoretical.
What this interaction means in plain words
Phendimetrazine 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.
What to do
Monitor blood pressure and heart rate and watch for agitation or tremor. Avoid the combination in patients with uncontrolled hypertension or seizure disorders.
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 Phendimetrazine with Tapentadol?
MediHelp rates the interaction as moderate. Phendimetrazine 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. Phendimetrazine is a sympathomimetic anorectic, and tapentadol also inhibits noradrenaline reuptake. Together they may increase blood pressure and heart rate, and a serotonergic or seizure risk is theoretical.
How serious is the interaction between Phendimetrazine 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 and heart rate and watch for agitation or tremor. Avoid the combination in patients with uncontrolled hypertension or seizure disorders.
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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