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Barbiturate Intoxication

Barbiturate Intoxication

Alternate Names

  • intoxication with barbiturates
  • barbiturate overdose


Barbiturates are drugs in a class called sedative-hypnotics. Barbiturate intoxication occurs when excessive amounts, or an overdose, of barbiturates has been taken.

What is going on in the body?

Barbiturates cause sleepiness and decreased responsiveness. People usually overdose on barbiturates by mistake. Sometimes an overdose is planned if it is a suicide attempt.


What are the causes and risks of the condition?

Barbiturates are used to treat several different diseases. One barbiturate, phenobarbital, is used to manage seizures, which are sudden, uncontrollable muscle spasms. Rarely, it is used as a sedative to calm, quiet or make a person sleepy.


What can be done to prevent the condition?

All drugs should be kept in their original containers out of the reach of children. Childproof caps should be used in households with small children. Education about the dangers associated with excessive use of barbiturates needs to be discussed with adults and children.


How is the condition diagnosed?

A barbiturate level can be determined from a blood sample. This is the way most barbiturate overdoses are confirmed.

Long Term Effects

What are the long-term effects of the condition?

The long-term effects of barbiturate intoxication can be severe due to loss of oxygen caused by shallow breathing during intoxication. Most people recover if treatment is begun early, but death may occur in severe cases.


What are the treatments for the condition?

After an acute barbiturate overdose, activated charcoal may be given to adsorb the drug. Intravenous fluids are given, and the person may undergo a procedure called hemodialysis to remove some of the medicine from the bloodstream. With a large overdose, a person may need to be put on an artificial breathing machine temporarily.

Side Effects

What are the side effects of the treatments?

During treatment of barbiturate intoxication:
  • pneumonia can develop if vomit is breathed in
  • certain invasive treatments can cause pain

After Treatment

What happens after treatment for the condition?

Steps should be taken to prevent another overdose if it was accidental. If it was an intentional overdose, the person needs medical and mental health treatment to prevent it from happening again.


How is the condition monitored?

With an overdose of barbiturates, admission to the hospital is needed for close monitoring, possibly in the intensive care unit. The blood pressure may need to be maintained with the use of intravenous fluids and medications.
After discharge, a mental health professional should monitor those individuals at risk of taking a barbiturate overdose.

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