(triazolam)

Prescribing Information
Download Prescribing Information

Health Professional Information

What are the possible side effects of HALCION?

What are the possible side effects of HALCION?

HALCION may cause serious side effects, including:

•
See "What is the most important information I should know about HALCION?"
•
Increased daytime anxiety.
•
Abnormal thoughts and behavior. Symptoms include more outgoing or aggressive behavior than normal, confusion, agitation, hallucinations, worsening of depression, and suicidal thoughts or actions.
•
Memory loss
•
HALCION can make you sleepy or dizzy and can slow your thinking and motor skills.
o
Do not drive, operate heavy machinery, or do other dangerous activities until you know how HALCION affects you.
o
Do not drink alcohol or take other drugs that may make you sleepy or dizzy while taking HALCION without first talking to your healthcare provider. When taken with alcohol or drugs that cause sleepiness or dizziness, HALCION may make your sleepiness or dizziness much worse.
•
Worsening depression. Call your healthcare provider right away if you have any thoughts of suicide or dying or worsening depression.

The most common side effects of HALCION include:

•
drowsiness
•
dizziness
•
light-headedness
•
difficulty with coordination

Elderly people have an increased risk of dose related side effects during treatment with HALCION.

These are not all the possible side effects of HALCION.

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Medication Guide
Download Consumer Medicine Information

Health Professional Information

{{section_name_patient}}

{{section_body_html_patient}}

Additional Resources

Chat online with Pfizer Medical Information regarding your inquiry on a Pfizer medicine or vaccine.

Speak with a Pfizer Medical Information Professional regarding your Pfizer medicine or vaccine inquiry.

Available 9AM-5PM ET Monday to Friday; excluding holidays.

 

Submit a medical question for a Pfizer medicine or a vaccine. 

The submission will be reviewed during our standard business hours.

To report an adverse event related to a Pfizer product and you are not part of a clinical trial* for this medication, click the link below to submit your information: 
Pfizer Safety Reporting Site

*If you are involved in a clinical trial for either product, adverse events should be reported to your coordinating study site.

If you cannot use the above website to report an adverse event related to a Pfizer medication, please call (800) 438-1985.

You may also contact the U.S. Food and Drug Administration (FDA) directly to report adverse events or product quality concerns either online at www.fda.gov/medwatch or by calling (800) 332-1088.