Drug interactions
Alprazolam + Protriptyline
Severity: Moderate
Alprazolam 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, and combining it with alprazolam may add to sedation and impair psychomotor performance. Protriptyline is less sedating than other tricyclics, but the combination can still cause drowsiness, especially in older patients.
What this interaction means in plain words
Alprazolam 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 depressant and psychomotor impairing effects.
What to do
Use the lowest effective doses and monitor for sedation, confusion and falls. Advise patients to avoid driving until the response is known.
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 Alprazolam
- Alprazolam + Calcium / magnesium / potassium / sodium oxybates Contraindicated
- Alprazolam + Itraconazole Contraindicated
- Alprazolam + Ketoconazole Contraindicated
- Alprazolam + Levoketoconazole Contraindicated
- Alprazolam + Sodium oxybate Contraindicated
- Alfentanil + Alprazolam Major
Frequently asked questions
Can I take Alprazolam with Protriptyline?
MediHelp rates the interaction as moderate. Alprazolam 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, and combining it with alprazolam may add to sedation and impair psychomotor performance. Protriptyline is less sedating than other tricyclics, but the combination can still cause drowsiness, especially in older patients.
How serious is the interaction between Alprazolam 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: Use the lowest effective doses and monitor for sedation, confusion and falls. Advise patients to avoid driving until the response is known.
What other medicines interact with Alprazolam?
MediHelp also lists interactions of Alprazolam with, for example, Calcium / magnesium / potassium / sodium oxybates, Itraconazole, Ketoconazole. The full list is on the Alprazolam page.
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