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Halcion

Generic Name: triazolam (trye AY zoe lam)
Brand Name: Halcion

Medically reviewed by Drugs.com on Sep 28, 2018 – Written by Cerner Multum

What is Halcion?

Halcion is a benzodiazepine (ben-zoe-dye-AZE-eh-peen) similar to Valium. This medicine affects chemicals in the brain that may be unbalanced and cause sleep problems (insomnia).

Halcion is used to treat insomnia (trouble falling or staying asleep).

Halcion may also be used for purposes not listed in this medication guide.

Important Information

Do not use if you are pregnant.

Serious drug interactions can occur when certain medicines are used together with Halcion. Tell each of your healthcare providers about all medicines you use now, and any medicine you start or stop using.

Before taking this medicine

You should not use Halcion if you are allergic to Halcion or similar medicines, such as alprazolam (Xanax), clonazepam (Klonopin), clorazepate (Tranxene), diazepam (Valium), lorazepam (Ativan), and others.

This medicine can harm an unborn baby or cause birth defects. Do not use if you are pregnant. Use effective birth control to prevent pregnancy while you are using this medicine.

Some medicines can cause unwanted or dangerous effects when used with Halcion. Your doctor may need to change your treatment plan if you use certain medicines, including:

To make sure Halcion is safe for you, tell your doctor if you have:

  • a history of depression, mental illness, or addiction;

  • a history of suicidal thoughts or actions;

  • liver or kidney disease; or

  • lung disease or breathing problems.

It is not known whether triazolam passes into breast milk or if it could harm a nursing baby. You should not breast-feed while using this medicine.

Halcion is not approved for use by anyone younger than 18 years old.

How should I take Halcion?

Follow the directions on your prescription label. Do not take this medicine in larger or smaller amounts or for longer than recommended.

Halcion may be habit-forming. Never share this medicine with another person, especially someone with a history of drug abuse or addiction. Keep the medication in a place where others cannot get to it. Selling or giving away this medicine is against the law.

Take Halcion on an empty stomach, at least 2 hours after eating.

Take this medicine only when you are getting ready for several hours of sleep. You may fall asleep very quickly after taking the medicine.

Avoid using Halcion to prevent jet lag while traveling by airplane.

Call your doctor if your insomnia does not improve after taking Halcion for 7 to 10 nights, or if you have any mood or behavior changes. Insomnia can be a symptom of depression, mental illness, or certain medical conditions.

Do not take Halcion for longer than 10 nights in a row, unless your doctor has told you to. Ask your doctor how to avoid withdrawal symptoms when you stop using this medicine.

Store at room temperature away from moisture, heat, and light. Keep track of the amount of medicine used from each new bottle. Halcion is a drug of abuse and you should be aware if anyone is using your medicine improperly or without a prescription.

What happens if I miss a dose?

Since Halcion is taken as needed, you are not likely to be on a dosing schedule. Take Halcion only when you have time for several hours of sleep.

What happens if I overdose?

Seek emergency medical attention or call the Poison Help line at 1-800-222-1222. An overdose of triazolam can be fatal, especially if taken with alcohol.

Overdose symptoms may include extreme drowsiness, confusion, slurred speech, weak or shallow breathing, fainting, or coma.

What should I avoid while taking Halcion?

Avoid drinking alcohol. Dangerous side effects could occur.

Halcion may impair your thinking or reactions. You may still feel sleepy the morning after taking Halcion. Wait until you are fully awake before you drive, operate machinery, or do anything that requires you to be awake and alert.

Grapefruit and grapefruit juice may interact with Halcion and lead to unwanted side effects. Avoid the use of grapefruit products while taking this medicine.

Halcion side effects

Get emergency medical help if you have signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have:

  • unusual changes in mood or behavior;

  • confusion, memory loss (amnesia), hallucinations; or

  • depression, suicidal thoughts.

Some people using Halcion have engaged in activity such as driving, eating, making phone calls, or sleep-walking and later having no memory of the activity. If this happens to you, stop taking this medicine and talk with your doctor.

The sedative effects of triazolam may last longer in older adults. Accidental falls are common in elderly patients who take benzodiazepines. Use caution to avoid falling or accidental injury while you are taking Halcion.

Common side effects may include:

  • dizziness, daytime drowsiness (or during hours when you are not normally sleeping);

  • loss of coordination;

  • headache; or

  • tingling or prickly feeling on your skin.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

What other drugs will affect Halcion?

Taking Halcion with other drugs that make you sleepy or slow your breathing can cause dangerous side effects or death. Ask your doctor before taking a sleeping pill, narcotic pain medicine, prescription cough medicine, a muscle relaxer, or medicine for anxiety, depression, or seizures.

Many drugs can interact with Halcion, and some drugs should not be used together. This includes prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible interactions are listed in this medication guide. Tell your doctor about all medicines you use, and those you start or stop using during your treatment with this medicine. Give a list of all your medicines to any healthcare provider who treats you.

Further information

Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

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