Halcion
Sleep On It: How Snoozing Strengthens Memories »
"When you learn something new, the best way to remember it is to sleep on it. That's because sleeping helps strengthen memories you've formed throughout the day. It also helps to link new memories to earlier ones. You might even come up with c"...
Read the Sleep On It: How Snoozing Strengthens Memories article »
Halcion
Halcion®
(triazolam) Tablets, USP CIV
DRUG DESCRIPTION
HALCION Tablets contain triazolam, a triazolobenzodiazepine hypnotic agent.
Triazolam is a white crystalline powder, soluble in alcohol and poorly soluble in water. It has a molecular weight of 343.21.
The chemical name for triazolam is 8-chloro-6-(o-chlorophenyl)-1-methyl-4H-s-triazolo-[4,3-α] [1,4] benzodiazepine.
The structural formula is represented below:
![]() |
Each HALCION (triazolam) Tablet, for oral administration, contains 0.125 mg or 0.25 mg of triazolam. Inactive ingredients: 0.125 mg-cellulose, corn starch, docusate sodium, lactose, magnesium stearate, silicon dioxide, sodium benzoate; 0.25 mg-cellulose, corn starch,docusate sodium, FD&C Blue No. 2, lactose, magnesium stearate, silicon dioxide, sodium benzoate.
What are the possible side effects of triazolam (Halcion)?
Stop using triazolam and call your doctor at once if you have any of these serious side effects:
- weak or shallow breathing;
- fast or pounding heartbeats;
- confusion, slurred speech, unusual thoughts or behavior;
- hallucinations, agitation, aggression;
- thoughts of suicide or hurting yourself;
- restless muscle movements in your eyes, tongue, jaw, or neck;
- pale skin, easy bruising or bleeding, unusual weakness;
- fever, chills, body aches, flu symptoms;
- problems with urination; or
- nausea, stomach pain, low fever, loss of...
Read All Potential Side Effects and See Pictures of Halcion »
What are the precautions when taking triazolam (Halcion)?
Before taking triazolam, tell your doctor or pharmacist if you are allergic to it; or to other benzodiazepines (e.g., lorazepam, diazepam); or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
Before using this medication, tell your doctor or pharmacist your medical history, especially of: liver disease, kidney disease, mental/mood problems (e.g., depression, panic disorder), lung problems (e.g., pulmonary insufficiency, sleep apnea), seizures, personal or family history of regular use/abuse of drugs/alcohol/other substances.
This drug may make you dizzy or drowsy or cause temporary blurred vision. Do not drive, use machinery, or do any activity...
Last reviewed on RxList: 3/10/2008
This monograph has been modified to include the generic and brand name in many instances.
Additional Halcion Information
Halcion - User Reviews
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
Sleep Disorders
Get tips for better sleep.







