Drug interactions
Alprazolam + Lithium
Severity: Minor
Alprazolam and Lithium: 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
Alprazolam is not known to meaningfully alter lithium concentrations, and a clinically relevant rise in lithium levels is not well established. Both drugs can cause drowsiness and psychomotor slowing, but no firm pharmacokinetic interaction is documented.
What this interaction means in plain words
Alprazolam and Lithium have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Alprazolam belongs to Central Nervous System; Lithium belongs to Central Nervous System.
Why it happens
A reduction in renal lithium clearance has been proposed but is not established.
What to do
Monitor serum lithium according to routine practice when alprazolam is started or stopped, and watch for excess sedation.
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?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to see why Alprazolam and Lithium interact, what to do about it, and the sources.
- Full clinical management advice
- Additional notes
- Evidence detail
- Interaction checker for a whole prescription
Try Pro+ free for 14 days on the web. No card needed.
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
Other interactions of Lithium
- Aceclofenac + Lithium Major
- Acemetacin + Lithium Major
Frequently asked questions
Can I take Alprazolam with Lithium?
MediHelp rates the interaction as minor. Alprazolam and Lithium have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Alprazolam is not known to meaningfully alter lithium concentrations, and a clinically relevant rise in lithium levels is not well established. Both drugs can cause drowsiness and psychomotor slowing, but no firm pharmacokinetic interaction is documented.
How serious is the interaction between Alprazolam and Lithium?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor serum lithium according to routine practice when alprazolam is started or stopped, and watch for excess sedation.
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.
Full monographs, dosing and an interaction checker in the MediHelp app
Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.
