Drug interactions
Brimonidine + Pentazocine
Severity: Minor
Brimonidine 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
This interaction matters mainly with systemic exposure to brimonidine, which is a sedating alpha-2 agonist. With ophthalmic use, systemic absorption is usually small, but drowsiness has been reported and may be additive with opioids.
What this interaction means in plain words
Brimonidine 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.
Brimonidine belongs to Miscellaneous; Pentazocine belongs to Musculoskeletal.
Why it happens
Possible additive CNS depression from systemically absorbed alpha-2 agonist and opioid activity.
What to do
Usually no change is needed; monitor for unusual drowsiness, especially in children and older adults. Advise caution with driving.
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 Pentazocine
- Calcium / magnesium / potassium / sodium oxybates + Pentazocine Contraindicated
- Olanzapine / samidorphan + Pentazocine Contraindicated
- Pentazocine + Phenelzine Contraindicated
- Pentazocine + Tranylcypromine Contraindicated
- Alfentanil + Pentazocine Major
- Alprazolam + Pentazocine Major
Other interactions of Brimonidine
- Brimonidine + Isocarboxazid Contraindicated
- Brimonidine + Linezolid Contraindicated
- Brimonidine + Phenelzine Contraindicated
- Brimonidine + Procarbazine Contraindicated
- Brimonidine + Rasagiline Contraindicated
- Brimonidine + Selegiline Contraindicated
Frequently asked questions
Can I take Brimonidine with Pentazocine?
MediHelp rates the interaction as minor. Brimonidine 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. This interaction matters mainly with systemic exposure to brimonidine, which is a sedating alpha-2 agonist. With ophthalmic use, systemic absorption is usually small, but drowsiness has been reported and may be additive with opioids.
How serious is the interaction between Brimonidine 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: Usually no change is needed; monitor for unusual drowsiness, especially in children and older adults. Advise caution with driving.
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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