Drug interactions
Bupivacaine implant + Phenelzine
Severity: Minor
Bupivacaine implant and Phenelzine: 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
Local anesthetics can occasionally cause methemoglobinemia, and the risk may be higher with other agents that also have this effect. Systemic exposure from a bupivacaine implant is low and phenelzine is not a well-established cause of methemoglobinemia, so the interaction is largely theoretical.
What this interaction means in plain words
Bupivacaine implant and Phenelzine 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 oxidant stress on hemoglobin; not well established for this pair.
What to do
Be alert for cyanosis, dyspnea or low pulse oximetry readings after implant placement. Treat methemoglobinemia with methylene blue if it occurs, noting methylene blue itself interacts with MAO inhibitors, so seek specialist advice.
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?
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Other interactions of Phenelzine
- 5-HTP + Phenelzine Contraindicated
- Amitriptyline + Phenelzine Contraindicated
- Amoxapine + Phenelzine Contraindicated
- Atomoxetine + Phenelzine Contraindicated
- Benzphetamine + Phenelzine Contraindicated
- Brimonidine + Phenelzine Contraindicated
Frequently asked questions
Can I take Bupivacaine implant with Phenelzine?
MediHelp rates the interaction as minor. Bupivacaine implant and Phenelzine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Local anesthetics can occasionally cause methemoglobinemia, and the risk may be higher with other agents that also have this effect. Systemic exposure from a bupivacaine implant is low and phenelzine is not a well-established cause of methemoglobinemia, so the interaction is largely theoretical.
How serious is the interaction between Bupivacaine implant and Phenelzine?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Be alert for cyanosis, dyspnea or low pulse oximetry readings after implant placement. Treat methemoglobinemia with methylene blue if it occurs, noting methylene blue itself interacts with MAO inhibitors, so seek specialist advice.
What other medicines interact with Phenelzine?
MediHelp also lists interactions of Phenelzine with, for example, 5-HTP, Amitriptyline, Amoxapine. The full list is on the Phenelzine page.
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