Drug interactions
Amobarbital + Brimonidine
Severity: Minor
Amobarbital and Brimonidine: 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 even in ophthalmic use, so the combination with amobarbital may add to sedation. The effect is likely small with eye drops but is more relevant when systemic exposure is higher.
What this interaction means in plain words
Amobarbital and Brimonidine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Amobarbital belongs to Central Nervous System; Brimonidine belongs to Miscellaneous.
Why it happens
Additive CNS depression from the alpha-2 agonist and the barbiturate.
What to do
Counsel the patient about possible increased drowsiness and monitor for sedation, especially in children and older adults.
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 Amobarbital
- Amobarbital + Calcium / magnesium / potassium / sodium oxybates Contraindicated
- Amobarbital + Doravirine Contraindicated
- Amobarbital + Elbasvir / grazoprevir Contraindicated
- Amobarbital + Isavuconazonium Contraindicated
- Amobarbital + Isocarboxazid Contraindicated
- Amobarbital + Lonafarnib Contraindicated
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 Amobarbital with Brimonidine?
MediHelp rates the interaction as minor. Amobarbital and Brimonidine 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 even in ophthalmic use, so the combination with amobarbital may add to sedation. The effect is likely small with eye drops but is more relevant when systemic exposure is higher.
How serious is the interaction between Amobarbital and Brimonidine?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Counsel the patient about possible increased drowsiness and monitor for sedation, especially in children and older adults.
What other medicines interact with Amobarbital?
MediHelp also lists interactions of Amobarbital with, for example, Calcium / magnesium / potassium / sodium oxybates, Doravirine, Elbasvir / grazoprevir. The full list is on the Amobarbital page.
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