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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.

  1. 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.

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