Moderate Drug Interaction

Can You Take Tramadol with Risperidone?

Understanding the moderate interaction between Tramadol (Tramal) and Risperidone (APO-Risperidone) for claims professionals, support workers, and care managers.

Moderate severity AllMeds interaction database Updated April 2026

Combining Tramadol (Tramal) with Risperidone (APO-Risperidone) is a moderate interaction requiring caution and monitoring. Additive CNS depression. Some antipsychotics prolong QTc interval, compounding risk with methadone.

Key Takeaways

  • Interaction severity: Moderate
  • Risk: Excessive sedation, QTc prolongation, respiratory depression.
  • Mechanism: Additive CNS depression. Some antipsychotics prolong QTc interval, compounding risk with methadone.
  • Tramadol: S4 in Australia, low risk
  • Risperidone: S4 in Australia, moderate risk
  • Claims action: Monitor and document. Request clinical justification if combination is ongoing.

Tramadol vs Risperidone at a Glance

Property Tramadol Risperidone
Brand names Tramal, Zydol, Tramedo APO-Risperidone, Rispa, Rixadone
Drug class opioid antipsychotic
Risk level low moderate
TGA Schedule (AU) S4 S4

Why Is This Combination Dangerous?

Additive CNS depression. Some antipsychotics prolong QTc interval, compounding risk with methadone.

Clinical risk: Excessive sedation, QTc prolongation, respiratory depression.

Regulatory Guidance by Jurisdiction

Australia TGA / SIRA / WorkSafe

The TGA and Australian Medicines Handbook classify this as a moderate drug interaction requiring monitoring and clinical review.

United Kingdom NICE / MHRA / FPM

UK clinical guidelines recommend caution with this combination. For personal injury claims, the prescribing rationale should be documented and reviewed against NICE and FPM guidance.

United States FDA / CDC / State WC

The CDC and FDA recommend monitoring concurrent CNS depressant use. State workers compensation formularies may restrict or require prior authorization for this combination.

What Claims Professionals Should Do

  1. Document the combination in the claim file with a note on interaction risk
  2. Request clinical justification from the prescriber at the next review
  3. Monitor for adverse effects including excessive sedation, falls, and cognitive impairment
  4. Assess injury relatedness of both medications to the compensable condition
  5. Review at next claim assessment and consider whether the combination is still clinically appropriate

Need to assess this medication across your caseload?

Check all interactions for Tramadol and Risperidone across your claimant's full medication list.

AllMeds gives you instant risk assessments, compliance checks, and automated letters for every medication on a claim.

Related Resources

Medical Disclaimer: This content is for informational purposes for claims professionals and care workers. It is not medical advice. Always consult a qualified healthcare professional for clinical decisions. Drug information is sourced from TGA, FDA, MHRA, PBS, NICE, and CDC databases and may not reflect the latest updates. AllMeds does not replace clinical judgement.