Drug interactions
Buprenorphine + Orphenadrin
Severity: Major
Buprenorphine and Orphenadrin: 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
Both agents depress the central nervous system, so combined use may cause increased drowsiness, dizziness and, in higher exposures, respiratory depression. Opioid labeling warns about concurrent use of CNS depressants.
What this interaction means in plain words
Buprenorphine and Orphenadrin 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.
Buprenorphine belongs to Musculoskeletal; Orphenadrin belongs to Musculoskeletal.
Why it happens
Additive CNS and respiratory depression from opioid agonism plus sedative and anticholinergic effects of orphenadrine.
What to do
Use the lowest effective doses for the shortest duration and monitor sedation and respiratory rate. Counsel patients to avoid alcohol and other sedatives.
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 Orphenadrin
Other interactions of Buprenorphine
- Alvimopan + Buprenorphine Contraindicated
- Buprenorphine + Calcium / magnesium / potassium / sodium oxybates Contraindicated
- Buprenorphine + Olanzapine / samidorphan Contraindicated
- Buprenorphine + Phenelzine Contraindicated
- Buprenorphine + Pimozide Contraindicated
- Buprenorphine + Thioridazine Contraindicated
Frequently asked questions
Can I take Buprenorphine with Orphenadrin?
MediHelp rates the interaction as major. Buprenorphine and Orphenadrin 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. Both agents depress the central nervous system, so combined use may cause increased drowsiness, dizziness and, in higher exposures, respiratory depression. Opioid labeling warns about concurrent use of CNS depressants.
How serious is the interaction between Buprenorphine and Orphenadrin?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Use the lowest effective doses for the shortest duration and monitor sedation and respiratory rate. Counsel patients to avoid alcohol and other sedatives.
What other medicines interact with Orphenadrin?
MediHelp also lists interactions of Orphenadrin with, for example, Alfentanil, Amobarbital, Benzhydrocodone / acetaminophen. The full list is on the Orphenadrin page.
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