Phenobarbital

Pronounced: fee-noe-BAR-bi-tal

Why is Phenobarbital prescribed?

Phenobarbital, a barbiturate, is used as a sleep aid and in the treatment of certain types of epilepsy, including generalized or grand mal seizures and partial seizures.

Most important fact about Phenobarbital

Phenobarbital can be habit-forming. You may become tolerant (needing more and more of the drug to achieve the same effect) and physically and psychologically dependent with continued use. Never increase the amount of phenobarbital you take without checking with your doctor.

How should you take Phenobarbital?

Take this medication exactly as prescribed.

If you are taking phenobarbital for seizures, do not discontinue it abruptly.

--If you miss a dose...

Take it as soon as you remember. If it is almost time for your next dose, skip the one you missed and go back to your regular schedule. Never take 2 doses at once.

--Storage instructions...

Store at room temperature in a tightly closed container.

What side effects may occur?

Side effects cannot be anticipated. If any develop or change in intensity, notify your doctor as soon as possible. Only your doctor can determine whether it is safe for you to continue taking phenobarbital.

• More common side effects may include:
  Allergic reaction, drowsiness, headache, lethargy, nausea, oversedation, sleepiness, slowed or delayed breathing, vertigo, vomiting

Why should Phenobarbital not be prescribed?

Phenobarbital should not be used if you suffer from porphyria (an inherited metabolic disorder), liver disease, or a lung disease that causes blockages or breathing difficulties, or if you have ever had an allergic reaction to or are sensitive to phenobarbital or other barbiturates.

Special warnings about Phenobarbital

Remember that phenobarbital may be habit-forming. Make sure you take the medication exactly as prescribed.

Phenobarbital should be used with extreme caution, or not at all, by people who are depressed, or have a history of drug abuse.

Be sure to tell your doctor if you are in pain, or if you have constant pain, before you take phenobarbital.