Drug interactions
Pentazocine + Same
Severity: Moderate
Pentazocine and Same: moderate 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
SAMe has serotonergic activity and has been associated with serotonin syndrome when combined with serotonergic drugs. Pentazocine has limited serotonergic activity, so the risk is likely small but cannot be excluded.
What this interaction means in plain words
Pentazocine and Same can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Why it happens
Possible additive serotonergic effects.
What to do
Monitor for agitation, tremor, sweating, diarrhea and hyperthermia after starting or increasing either agent. Stop the combination if serotonin toxicity is suspected.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
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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 Pentazocine with Same?
MediHelp rates the interaction as moderate. Pentazocine and Same can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. SAMe has serotonergic activity and has been associated with serotonin syndrome when combined with serotonergic drugs. Pentazocine has limited serotonergic activity, so the risk is likely small but cannot be excluded.
How serious is the interaction between Pentazocine and Same?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor for agitation, tremor, sweating, diarrhea and hyperthermia after starting or increasing either agent. Stop the combination if serotonin toxicity is suspected.
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.
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