How long is triazolam’s half-life?
Triazolam is a short-acting benzodiazepine. Reported half-life values are typically in the range of about 1 to 8 hours, with many references citing an average around 2 to 3 hours.
Does triazolam half-life last longer in some people?
Yes. The half-life can be longer with factors that reduce drug clearance, such as:
- Liver impairment
- Older age
- Use of other medicines that slow triazolam metabolism (for example, strong inhibitors of CYP3A enzymes)
Why does half-life matter for timing and next-day effects?
Half-life influences how quickly drug levels fall. Even after one half-life, about 50% remains; after several half-lives, levels drop much more, but some people can still feel sedation or impairment later—especially if doses are higher, repeated dosing is used, or clearance is slower.
When does triazolam work peak?
Triazolam generally reaches peak effects relatively quickly after a dose, and then levels decline over its half-life. This is one reason it’s often used when rapid onset is important, while still wearing off within the same day for many people.
Safety note: avoid mixing with other sedatives
Because triazolam can sedate the nervous system, combining it with alcohol or other sedating drugs can increase risk of excessive drowsiness, slowed breathing, and accidents—even if the half-life seems “short.”
What if you’re trying to predict when it’s out of your system?
A common rule is that after about 4 to 5 half-lives, a drug is reduced to roughly 3% to 6% of the original level. With triazolam’s variable half-life, “fully out” timing can range widely depending on the person and dose.