Butabarbital
A barbiturate used as a sedative and hypnotic
Butabarbital is a barbiturate derivative that is primarily used as a sedative and hypnotic agent. It is known for its ability to depress the central nervous system, leading to effects ranging from mild sedation to total anesthesia. Butabarbital is often prescribed for the short-term treatment of insomnia and for preoperative sedation.
Pharmacology[edit | edit source]
Butabarbital works by enhancing the activity of the gamma-aminobutyric acid (GABA) neurotransmitter in the brain. GABA is an inhibitory neurotransmitter that reduces neuronal excitability, leading to a calming effect on the brain. By increasing GABA activity, butabarbital helps to induce sleep and reduce anxiety.
Chemical Properties[edit | edit source]
-Butabarbital.svg)
Butabarbital is a racemic mixture, meaning it contains two enantiomers: (R)-butabarbital and (S)-butabarbital. These enantiomers have slightly different pharmacokinetic properties, but both contribute to the drug's overall effects.
The chemical formula of butabarbital is C10H16N2O3, and it is a white, crystalline powder that is soluble in water and alcohol. The drug is typically administered orally in the form of tablets.
Medical Uses[edit | edit source]
Butabarbital is primarily used for its sedative and hypnotic properties. It is prescribed for:
- Short-term management of insomnia, particularly when difficulty in falling asleep is the primary complaint.
- Preoperative sedation to reduce anxiety and induce relaxation before surgical procedures.
Side Effects[edit | edit source]
Common side effects of butabarbital include drowsiness, dizziness, and headache. More serious side effects can occur, such as respiratory depression, hypotension, and allergic reactions. Long-term use can lead to tolerance and dependence, and abrupt discontinuation may result in withdrawal symptoms.
Legal Status[edit | edit source]
Butabarbital is classified as a controlled substance in many countries due to its potential for abuse and dependence. In the United States, it is listed as a Schedule III controlled substance under the Controlled Substances Act.
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