Nembutal acts as a GABA-A receptor agonist. It increases the duration of chloride channel opening in the central nervous system, leading to deep sedation and depressed brain activity.
Dosage depends on age, weight, and the desired medical effect (sedation vs. anesthesia). For a 70kg adult, an initial IV dose is typically 100mg, adjusted incrementally by a medical professional.
Yes, Nembutal is classified globally as a Schedule II controlled substance due to its high potency and the risk of physical or psychological dependence.