Drug interactions
Levorphanol + Triprolidine
Severity: Major
Levorphanol and Triprolidine: 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
Levorphanol is an opioid analgesic and combining it with a sedating antihistamine increases sedation and psychomotor impairment. Respiratory depression is possible, especially at higher opioid doses or in vulnerable patients.
What this interaction means in plain words
Levorphanol and Triprolidine 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 CNS and respiratory depression.
What to do
Avoid the combination where possible, or use the lowest effective doses and monitor sedation and respiratory rate. Counsel patients against driving and alcohol.
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?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Levorphanol and Triprolidine, the additional notes, the evidence detail and the whole-prescription interaction checker.
- Full clinical management advice
- Additional notes
- Evidence detail
- Interaction checker for a whole prescription
Try Pro+ free for 7 days on the web. No card needed.
Other interactions of Triprolidine
Frequently asked questions
Can I take Levorphanol with Triprolidine?
MediHelp rates the interaction as major. Levorphanol and Triprolidine 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. Levorphanol is an opioid analgesic and combining it with a sedating antihistamine increases sedation and psychomotor impairment. Respiratory depression is possible, especially at higher opioid doses or in vulnerable patients.
How serious is the interaction between Levorphanol and Triprolidine?
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 the combination where possible, or use the lowest effective doses and monitor sedation and respiratory rate. Counsel patients against driving and alcohol.
What other medicines interact with Triprolidine?
MediHelp also lists interactions of Triprolidine with, for example, Belladonna and opium, Benzhydrocodone / acetaminophen, Brexanolone. The full list is on the Triprolidine page.
Full monographs, dosing and an interaction checker in the MediHelp app
Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.
