Side Effects of Halcion

Since its introduction in 1983, Halcion (triazolam) has been used for the treatment of short-term insomnia. Usually taken once daily before bedtime, it produces a sedative effect within a half-hour that lasts 4 to 6 hours. Since it has a relatively rapid onset and short duration of action, it is less likely than similar medication to cause drowsiness the following day. However, there are a number of possible side effects consumers should be aware of.

Most Common Side Effects

• The most common side effects of Halcion are daytime drowsiness, dizziness and unsteadiness.

Less Common Side Effects

• Less common side effects of Halcion include nausea, vomiting, blurred vision, headache, nervousness, forgetfulness and confusion.

Rash

• Development of a rash is also uncommon. If a rash occurs, you should stop taking Halcion and contact your physician.

Driving and Work

• Since Halcion can cause reduced alertness and slowed reactions, avoid driving and performing hazardous work until you learn how it affects you.

Alcohol and Medications

• Other drugs that have a sedative effect on the central nervous system (such as anti-anxiety drugs, antihistamines, antidepressants, antipsychotics, narcotic analgesics and some sleeping medications) are likely to increase the sedative properties of Halcion. Alcohol will also have this effect.

Long-Term Use

• Halcion can become habit-forming if taken over a long period of time. Its intended action might also become weaker.