Drug interactions
Oxazepam + Protriptyline
Severity: Moderate
Oxazepam 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
Protriptyline is a tricyclic antidepressant with anticholinergic effects, though it is less sedating than others in its class. With oxazepam it may cause additive impairment of psychomotor performance and cognition.
What this interaction means in plain words
Oxazepam 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 and anticholinergic effects.
What to do
Monitor for drowsiness, confusion and falls, especially in older patients. Use the lowest effective doses.
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 Oxazepam
- Calcium / magnesium / potassium / sodium oxybates + Oxazepam Contraindicated
- Oxazepam + Sodium oxybate Contraindicated
- Alfentanil + Oxazepam Major
- Amobarbital + Oxazepam Major
- Baclofen + Oxazepam Major
- Belladonna and opium + Oxazepam Major
Frequently asked questions
Can I take Oxazepam with Protriptyline?
MediHelp rates the interaction as moderate. Oxazepam 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. Protriptyline is a tricyclic antidepressant with anticholinergic effects, though it is less sedating than others in its class. With oxazepam it may cause additive impairment of psychomotor performance and cognition.
How serious is the interaction between Oxazepam 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 drowsiness, confusion and falls, especially in older patients. Use the lowest effective doses.
What other medicines interact with Oxazepam?
MediHelp also lists interactions of Oxazepam with, for example, Calcium / magnesium / potassium / sodium oxybates, Sodium oxybate, Alfentanil. The full list is on the Oxazepam page.
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