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Overview Brief

Phenobarbital is a long-acting barbiturate which has sedative and anticonvulsant effects on the nervous system. The abuse of Phenobarbital can lead to adverse side effects and toxicity.

What Is Phenobarbital Test?

Phenobarbital is used to treat epilepsy and other seizure disorders because it stabilizes electrical activity in the brain.

Phenobarbital helps prevent seizures and relieve anxiety, however, its overdose can lead to severe side effects. Toxic levels of Phenobarbital in the system which cannot be metabolized can induce drowsiness, confusion, and lack of voluntary coordination of muscle movement(ataxia). Tolerance and dependence of this substance may occur with prolonged use of high doses of Phenobarbital.

Phenobarbital is a habit-forming substance and once the body has reached its capacity to metabolize phenobarbital, small increases in dose can result in large increases in levels of the substance in the blood.

Why Is Phenobarbital Test Suggested?

Phenobarbital test is suggested:

  • To monitor Phenobarbital levels.
  • When individual experiences side effects from Phenobarbital.
  • When an individual has signs and symptoms of Phenobarbital toxicity.
  • To test for Phenobarbital substance abuse.
  • When an individual is experiencing seizures.

How Is Phenobarbital Test Performed?

Phenobarbital test is performed by analyzing a sample of urine or blood from a vein of an arm.

What Are The Parameters Measured In Phenobarbital Test?

The Phenobarbital test measures if Phenobarbital level in the sample is within the recommended therapeutic range.

Preparation Before Performing Phenobarbital Test

No special preparation is necessary before performing the Phenobarbital test.

Post-Care After Phenobarbital Test

No post-care is required after Phenobarbital test.

Sample Types In Phenobarbital Test

Samples used in Phenobarbital test are:

  • Urine
  • Blood

Side Effects/Risks Of Phenobarbital Test

No side effects or risks are associated with Phenobarbital test.

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