01Nembutal Phenobarbital Sodium is in a group of drugs called barbiturates. Pentobarbital slows the activity of your brain and nervous system. It is used short-term to treat insomnia. Pentobarbital is also used as an emergency treatment for seizures, and to cause you to fall asleep for surgery. You should not use this medicine if you have a history of porphyria.
Nembutal is a short-acting barbiturate that is effective as a sedative and hypnotic (but not as an anti-anxiety) agent and is usually given orally.
• Loss of balance or coordination