Answer:
Barbiturates are primarily used for treating muscle spasms, preventing seizures and reducing anxiety.
Step-by-step explanation:
Barbiturates are a drug that directly affects the central nervous system and therefore has been used for medicinal purposes to treat ailments like seizure prevention, reducing spasm of the muscles and reducing anxiety. It acts like relaxants and sedatives. They also act similar to alcohol in the sense that they have the property of making you calm, happy and sleepy.