Clarithromycin and Triazolam Interaction
Drug interaction information between Clarithromycin and Triazolam.
Clarithromycin and Triazolam have a documented moderate interaction in FDA labeling.
FDA drug labeling documents a moderate-severity interaction between Clarithromycin and Triazolam. This page displays the available source-record category and label text. The category is not an individual risk estimate or medication-combination direction.
How They Interact
Clarithromycin prevents your body from clearing triazolam quickly, which can make you feel much more sleepy or confused than usual.
FDA Label Information
Alprazolam Triazolam Triazolam, Alprazolam: Caution and appropriate dose adjustments should be considered when triazolam or alprazolam is co-administered with clarithromycin. There have been postmarketing reports of drug interactions and central nervous system (CNS) effects (e.g., somnolence and confusion) with the concomitant use of clarithromycin and triazolam. In postmarketing experience, erythromycin has been reported to decrease the clearance of triazolam and midazolam, and thus, may increase the pharmacologic effect of these benzodiazepines.
Clarithromycin Also Interacts With
- Quetiapine major
- Pioglitazone major
- Fluconazole major
- Cyclosporine major
- Lurasidone major
Triazolam Also Interacts With
- Darunavir major
- Itraconazole major
- Nirmatrelvir/Ritonavir major
- Aprepitant moderate
- Diltiazem minor
Frequently Asked Questions
What SPL severity band is on file for Clarithromycin + Triazolam?
Compiled FDA labeling labels this pair moderate. That is a source-record field, not an individual medication-combination decision.
Which drug in this pair has the larger labeled-interaction portfolio?
Clarithromycin has 81 labeled pairs on file vs Triazolam's 10. In the moderate band specifically: Clarithromycin has 35 (also Omeprazole, Methylprednisolone, Sildenafil, Valproate); Triazolam has 2 (also Aprepitant).
What mechanism field is on file for Clarithromycin and Triazolam?
Clarithromycin prevents your body from clearing triazolam quickly, which can make you feel much more sleepy or confused than usual.
Clarithromycin carries more major-labeled pairs than Triazolam
SPL source-record counts only. This page's band is moderate · classes on file: Clarithromycin (Macrolide Antibiotic); Triazolam (Benzodiazepine (Hypnotic)).
Clarithromycin has 16 major-labeled pairs vs Triazolam's 3. This page itself is in the moderate band, not the major band.
16 major · 35 moderate · 30 minor · 81 total
- Other moderate peers for Clarithromycin
- Omeprazole
- Methylprednisolone
- Sildenafil
- Valproate
Sources: FDA Drug Labels (SPL) via openFDA (2026). This is for informational purposes only and is not medical advice. This registry does not provide individual medication-combination directions.
Read our methodology - how this data is sourced, computed, and verified.