Drug interactions
Dihydroergotamine intranasal + Pentazocine
Severity: Minor
Dihydroergotamine intranasal and Pentazocine: minor 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
Intranasal dihydroergotamine is a 5-HT1B/1D agonist, and pentazocine has rarely been linked to serotonin toxicity. The combination may theoretically add serotonergic effects, but clinical evidence is scant.
What this interaction means in plain words
Dihydroergotamine intranasal and Pentazocine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Why it happens
Possible additive serotonergic effects via 5-HT receptor agonism; the mechanism is not firmly established.
What to do
No routine change is needed; counsel the patient to report agitation, tremor, sweating or fever.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Dihydroergotamine intranasal and Pentazocine, 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 Pentazocine
- Calcium / magnesium / potassium / sodium oxybates + Pentazocine Contraindicated
- Olanzapine / samidorphan + Pentazocine Contraindicated
- Pentazocine + Phenelzine Contraindicated
- Pentazocine + Tranylcypromine Contraindicated
- Alfentanil + Pentazocine Major
- Alprazolam + Pentazocine Major
Frequently asked questions
Can I take Dihydroergotamine intranasal with Pentazocine?
MediHelp rates the interaction as minor. Dihydroergotamine intranasal and Pentazocine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Intranasal dihydroergotamine is a 5-HT1B/1D agonist, and pentazocine has rarely been linked to serotonin toxicity. The combination may theoretically add serotonergic effects, but clinical evidence is scant.
How serious is the interaction between Dihydroergotamine intranasal and Pentazocine?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No routine change is needed; counsel the patient to report agitation, tremor, sweating or fever.
What other medicines interact with Pentazocine?
MediHelp also lists interactions of Pentazocine with, for example, Calcium / magnesium / potassium / sodium oxybates, Olanzapine / samidorphan, Phenelzine. The full list is on the Pentazocine 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.
