Phenobarbital Sodium is a type of anticonvulsant medication used in the treatment of seizures and epilepsy. It belongs to the class of drugs known as barbiturates, which work by depressing the central nervous system. Some synonyms for Phenobarbital Sodium include phenobarbitone, luminal, and barbitone. These terms are often interchangeably used by medical professionals, although the dosage and strength of the medication may vary depending on the specific product used. Other examples of barbiturate medications include pentobarbital, secobarbital, and amobarbital, which are also used to treat seizures and insomnia. It is important to note that barbiturates can be habit-forming and should be taken only under the supervision of a healthcare provider.