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Nembutal Side Effects Center: Detailed Datasheet

Medically reviewed by Min Clinic Staff | Updated: January 2026

Nembutal (Pentobarbital) side effects drug center

PROFESSIONAL

CONSUMER

SIDE EFFECTS

 

Nembutal Side Effects Center

What Is Nembutal?

Nembutal (pentobarbital sodium) is a barbiturate that acts as a depressant, or sedative, used short-term to treat insomnia. Nembutal is also used as an emergency treatment for seizures, and to cause patients to fall asleep for surgery. Nembutal is available in generic form.

What Are Side Effects of Nembutal?

Common side effects of Nembutal include:

  • problems with memory or concentration,
  • excitement,
  • irritability,