Drug interactions
Fentanyl transdermal + Tapentadol
Severity: Major
Fentanyl transdermal and Tapentadol: major 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
Combining two opioid agonists produces additive central nervous system and respiratory depression. Profound sedation, hypotension, coma and death can occur, especially with a continuous transdermal fentanyl depot. Both drugs also lower the seizure threshold and can contribute to serotonergic effects.
What this interaction means in plain words
Fentanyl transdermal and Tapentadol can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Why it happens
Additive mu-opioid receptor agonism causing pharmacodynamic CNS and respiratory depression.
What to do
Avoid concurrent use unless alternatives are inadequate; if required, use the lowest effective doses for the shortest time and monitor for sedation and respiratory depression.
What to ask your pharmacist
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
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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 Fentanyl transdermal with Tapentadol?
MediHelp rates the interaction as major. Fentanyl transdermal and Tapentadol can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Combining two opioid agonists produces additive central nervous system and respiratory depression. Profound sedation, hypotension, coma and death can occur, especially with a continuous transdermal fentanyl depot. Both drugs also lower the seizure threshold and can contribute to serotonergic effects.
How serious is the interaction between Fentanyl transdermal and Tapentadol?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid concurrent use unless alternatives are inadequate; if required, use the lowest effective doses for the shortest time and monitor for sedation and respiratory depression.
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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