Halcion contains the active ingredient triazolam, which is a triazolobenzodiazepine. It is available in tablet form for oral administration in the strengths of 0.125 mg or 0.25 mg. The inactive ingredients in the 0.125 mg tablet include cellulose, corn starch, docusate sodium, lactose, magnesium stearate, silicon dioxide, and sodium benzoate, while the 0.25 mg tablet also contains FD&C Blue No. 2.

How should I use this medication?

Take this medication by mouth. Take it as directed on the prescription label. Do not take it more often than directed. Keep taking it unless your care team tells you to stop. A special MedGuide will be given to you by the pharmacist with each prescription and refill. Be sure to read this information carefully each time. Talk to your care team about the use of this medication in children. Special care may be needed. People 65 years and older may have a stronger reaction and need a smaller dose.

Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once. NOTE: This medicine is only for you. Do not share this medicine with others.

What if I miss a dose?

This does not apply. This medication should only be taken right before going to sleep. Do not take double or extra doses.

Where should I keep my medication?

Keep this medication out of reach of children and pets. Store it out of sight in a safe place. Do not share it with others. Misuse of this medication is dangerous and against the law. Store at room temperature between 20 and 25 degrees C (68 and 77 degrees F). Get rid of any unused medication after the expiration date. This medication may cause harm and death if it is taken by other adults, children, or pets. It is important to get rid of the medication as soon as you no longer need it or it is expired. To get rid of this medication: -Take the medication to a take-back program. Check with your pharmacy or law enforcement to find a location. -Follow the steps given to you by your pharmacy. You may be given a pre-paid mail-back envelope or disposal product to safely get rid of your medication. -If other options are not available, check the package insert or medication guide to see if it should be flushed down the toilet or put in your trash at home. If you are not sure, ask your care team. If it is safe to put it in your trash, empty the medication out of the container. Mix it with cat litter, dirt, used coffee grounds, or another unwanted substance. Seal the mixture in a container, such as a plastic bag. Put it in the trash.

NOTE: This sheet is a summary. It may not cover all possible information. If you have questions about this medicine, talk to your doctor, pharmacist, or health care provider.

What side effects may I notice from receiving this medication?

Side effects that you should report to your care team as soon as possible: -Allergic reactions—skin rash, itching, hives, swelling of the face, lips, tongue, or throat -CNS depression—slow or shallow breathing, shortness of breath, feeling faint, dizziness, confusion, trouble staying awake -Mood and behavior changes - anxiety, nervousness, irritability and restlessness, confusion, hallucinations, feeling distrust or suspicion of others -Thoughts of suicide or self-harm, worsening mood, feelings of depression -Thoughts of suicide or self-harm, worsening mood, feelings of depression -Unusual sleep behaviors or activities you do not remember such as driving, eating, or sexual activity Side effects that usually do not require medical attention (report these to your care team if they continue or are bothersome): -Dizziness -Drowsiness the day after use -Feeling faint or lightheaded -Loss of balance or coordination

This list may not describe all possible side effects. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

What should I tell my care team before I take this medication?

They need to know if you have any of these conditions: -Glaucoma -Liver disease -Lung or breathing disease, such as asthma or COPD -Mental health conditions -Sleep apnea -Substance use disorder -Suicidal thoughts, plans, or attempt by you or a family member -An unusual or allergic reaction to triazolam, other medications, foods, dyes, or preservatives -Pregnant or trying to get pregnant -Breastfeeding

What may interact with this medication?

Do not take this medication with any of the following: -Chloramphenicol -Clarithromycin -Levoketoconazole -Lonafarnib -Mifepristone -Nefazodone -Sodium oxybate -Some antivirals for HIV or hepatitis -Some medications for cancer, such as adagrasib, ceritinib, idelalisib, ribociclib, tucatinib -Some medications for fungal infections, such as itraconazole, ketoconazole, posaconazole, voriconazole This medication may also interact with the following: -Alcohol -Cimetidine -Erythromycin -Grapefruit juice -Medications that cause drowsiness before a procedure, such as propofol -Medications that help you fall asleep -Medications that relax muscles -Opioids for pain or cough -Other benzodiazepines -Phenothiazines, such as chlorpromazine, prochlorperazine, thioridazine -Some antihistamines -Some medications for depression, such as amitriptyline or trazodone -Some medications for seizures, such as phenobarbital or primidone -Supplements, such as green tea, melatonin, St. John's wort, valerian Other medications may affect the way this medication works. Talk with your care team about all the medications you take. They may suggest changes to your treatment plan to lower the risk of side effects and to make sure your medications work as intended.

This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.

What should I watch for while using this medication?

Visit your care team for regular checks on your progress. Tell your care team if your symptoms do not start to get better or if they get worse. There is a risk of abuse, misuse, and addiction with this medication. It is important to take this medication as directed by your care team. Plan to go to bed and stay in bed for a full night (7 to 8 hours) after you take this medication. You may still be drowsy the morning after taking this medication. This medication may affect your coordination, reaction time, or judgment. Do not drive or operate machinery until you know how this medication affects you. Sit up or stand slowly to reduce the risk of dizzy or fainting spells. Drinking alcohol with this medication can increase the risk of these side effects. This medication is a CNS depressant. This is a type of medication or substance that slows down your brain and nervous system. Taking it with other CNS depressants can make you too sleepy. This can make it hard to breathe and stay awake. In some cases, it can cause coma and death. CNS depressants include opioids, benzodiazepines, muscle relaxants, medications for sleep, alcohol, and street drugs. Talk to your care team about all the medications, vitamins, and supplements you take. They can tell you what is safe to take together. Call emergency services right away if you have slow or shallow breathing, feel dizzy or confused, or have trouble staying awake. Do not stop taking this medication or reduce your dose without first talking to your care team. If you have taken this medication for a long time or take a high dose, your body may rely on it. Stopping it suddenly may cause a severe reaction. Talk to your care team about how long you need to take this medication. When it is time to stop, the dose will be slowly lowered over time to reduce the risk of side effects. This medication may worsen depression and cause thoughts of suicide. This can happen at any time but is more common after first starting treatment and after a change in dose. Talk to your care team right away if you have changes in mood and behavior or thoughts of self-harm or suicide. They can help you. You may do unusual sleep behaviors or activities you do not remember the day after taking this medication. Activities include driving, making or eating food, talking on the phone, sexual activity, or sleep walking. Stop taking this medication and call your care team right away if you find out you have done activities like this. Talk to your care team if you may be pregnant. Prolonged use of this medication during pregnancy can cause temporary withdrawal in a newborn. Talk to your care team before breastfeeding. Changes to your treatment plan may be needed. If you breastfeed while taking this medication, seek medical care right away if you notice the child has slow or noisy breathing, is unusually sleepy or not able to wake up, or is limp.

What are the most serious risks of this medication?

Do not stop taking this medication or reduce your dose without first talking to your care team. If you have taken this medication for a long time or take a high dose, your body may rely on it. Taking the medication away too quickly can cause symptoms, such as anxiety, tremors, and trouble sleeping. In severe cases, hallucinations and seizures can occur. Talk to your care team about how long you need to take this medication. When it is time to stop, the dose will be slowly lowered over time to reduce the risk of side effects.