Drug interactions
Amobarbital + Protriptyline
Severity: Moderate
Amobarbital and Protriptyline: 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
Both drugs depress the CNS, so combined use can cause excessive sedation and psychomotor impairment. Barbiturates may also induce metabolism of tricyclic antidepressants, lowering protriptyline levels and possibly reducing antidepressant effect.
What this interaction means in plain words
Amobarbital and Protriptyline 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
Additive CNS depression plus barbiturate induction of hepatic enzymes that metabolize tricyclics.
What to do
Monitor for oversedation and reduced antidepressant response. Adjust the protriptyline dose according to clinical response and counsel the patient about driving and alcohol.
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 Amobarbital
- Amobarbital + Calcium / magnesium / potassium / sodium oxybates Contraindicated
- Amobarbital + Doravirine Contraindicated
- Amobarbital + Elbasvir / grazoprevir Contraindicated
- Amobarbital + Isavuconazonium Contraindicated
- Amobarbital + Isocarboxazid Contraindicated
- Amobarbital + Lonafarnib Contraindicated
Frequently asked questions
Can I take Amobarbital with Protriptyline?
MediHelp rates the interaction as moderate. Amobarbital and Protriptyline 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. Both drugs depress the CNS, so combined use can cause excessive sedation and psychomotor impairment. Barbiturates may also induce metabolism of tricyclic antidepressants, lowering protriptyline levels and possibly reducing antidepressant effect.
How serious is the interaction between Amobarbital and Protriptyline?
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 oversedation and reduced antidepressant response. Adjust the protriptyline dose according to clinical response and counsel the patient about driving and alcohol.
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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