Crushing diazepam (Valium) tablets is not recommended as this can alter the drug's absorption rate, potentially leading to unpredictable effects including overdose or reduced efficacy. 1, 2 Diazepam is used to treat anxiety, alcohol withdrawal, and seizures. It is also used to relieve muscle spasms and to provide sedation before medical procedures. This medication works by calming the brain and nerves. Diazepam belongs to a class of drugs known as benzodiazepines. Find patient medical information for Diazepam (Valium, Libervant) on WebMD including its uses, side effects and safety, interactions, pictures, warnings, and user ratings Diazepam is a benzodiazepine that exerts anxiolytic, sedative, muscle-relaxant, anticonvulsant and amnestic effects. Most of these effects are thought to result from a facilitation of the action of gamma aminobutyric acid (GABA), an inhibitory neurotransmitter in the central nervous system. Diazepam is a benzodiazepine that exerts anxiolytic, sedative, muscle-relaxant, anticonvulsant and amnestic effects. Most of these effects are thought to result from a facilitation of the action of gamma aminobutyric acid (GABA), an inhibitory neurotransmitter in the central nervous system. Diazepam Oral Solution (Concentrate) is a concentrated oral solution as compared to standard oral liquid medications. It is recommended that Diazepam Oral Solution (Concentrate) be mixed with liquid or semi-solid food such as water, juices, soda or soda-like beverages, applesauce and puddings. Valium is used to treat anxiety disorders, or alcohol withdrawal symptoms. Valium is sometimes used with other medications to treat muscle spasms and stiffness, or seizures. Diazepam Oral Solution prescription and dosage information for physicians and health care professionals. Pharmacology, adverse reactions, warnings, and Diazepam Oral Solutionside effects. Since diazepam has a central nervous system depressant effect, patients should be advised against the simultaneous ingestion of alcohol and other CNS-depressant drugs during diazepam ther a py. Diazepam is used to relieve anxiety, control agitation caused by alcohol withdrawal, control muscle spasms and stiffness caused by certain nerve disorders, and to control seizures.