4 CONTRAINDICATIONS
Halcion is contraindicated in:
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- Patients with known hypersensitivity to triazolam, any of component of Halcion, or other benzodiazepines. Reactions consistent with angioedema (involving the tongue, glottis, or larynx), dyspnea, and throat closing have been reported and may be fatal.
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- Concomitant administration of strong cytochrome P450 (CYP 3A) enzyme inhibitors (e.g., ketoconazole, itraconazole, nefazodone, lopinavir, ritonavir) [see Warnings and Precautions (5.8), Drug Interactions (7.1)].