Drug interactions
Alprazolam + Secobarbital
Severity: Major
Alprazolam and Secobarbital: major 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
Barbiturates add to benzodiazepine CNS and respiratory depression and also induce CYP3A4, which can lower alprazolam levels. The net result is unpredictable, with risks of oversedation and of reduced alprazolam effect, and abrupt changes can cause withdrawal.
What this interaction means in plain words
Alprazolam and Secobarbital can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Alprazolam belongs to Central Nervous System; Secobarbital belongs to Central Nervous System.
Why it happens
Additive GABA-A mediated CNS depression plus CYP3A4 induction by the barbiturate increasing alprazolam clearance.
What to do
Avoid combining where possible; if both are required, use the lowest doses and monitor sedation and respiration. Watch for loss of alprazolam effect and adjust the dose accordingly.
What to ask your pharmacist
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
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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 Secobarbital?
MediHelp rates the interaction as major. Alprazolam and Secobarbital can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Barbiturates add to benzodiazepine CNS and respiratory depression and also induce CYP3A4, which can lower alprazolam levels. The net result is unpredictable, with risks of oversedation and of reduced alprazolam effect, and abrupt changes can cause withdrawal.
How serious is the interaction between Alprazolam and Secobarbital?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid combining where possible; if both are required, use the lowest doses and monitor sedation and respiration. Watch for loss of alprazolam effect and adjust the dose accordingly.
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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