Drug interactions
Brimonidine + Paliperidone
Severity: Minor
Brimonidine and Paliperidone: 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
Brimonidine can cause drowsiness and fatigue and may add to the sedation caused by paliperidone. With ophthalmic use the systemic exposure is low, so the effect is generally small.
What this interaction means in plain words
Brimonidine and Paliperidone 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; Paliperidone belongs to Central Nervous System.
Why it happens
Additive CNS depression via alpha-2 agonist activity and antipsychotic receptor blockade.
What to do
Advise patients to watch for excessive drowsiness and avoid driving if affected. No dose change is usually needed.
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 Paliperidone
- Ibutilide + Paliperidone Contraindicated
- Paliperidone + Pimozide Contraindicated
- Paliperidone + Vandetanib Contraindicated
- Adagrasib + Paliperidone Major
- Amiodarone + Paliperidone Major
- Amisulpride + Paliperidone 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 Paliperidone?
MediHelp rates the interaction as minor. Brimonidine and Paliperidone 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 can cause drowsiness and fatigue and may add to the sedation caused by paliperidone. With ophthalmic use the systemic exposure is low, so the effect is generally small.
How serious is the interaction between Brimonidine and Paliperidone?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Advise patients to watch for excessive drowsiness and avoid driving if affected. No dose change is usually needed.
What other medicines interact with Paliperidone?
MediHelp also lists interactions of Paliperidone with, for example, Ibutilide, Pimozide, Vandetanib. The full list is on the Paliperidone page.
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