Which classification of drugs is often prescribed for muscle spasms?

Benzodiazepines are often prescribed for muscle spasms due to their muscle relaxant properties. They act on the central nervous system by enhancing the effects of a neurotransmitter called gamma-aminobutyric acid (GABA). This action not only has sedative and anxiolytic effects but also contributes to muscle relaxation, making them effective in managing conditions that involve muscle spasticity or spasms.

In contrast, stimulants primarily increase activity in the central nervous system and are typically used to treat attention deficit hyperactivity disorder (ADHD) and narcolepsy. Analgesics are designed to relieve pain but do not address the underlying muscle tension or spasms directly. Antihistamines are used to treat allergies and allergic reactions, helping to alleviate symptoms like runny nose and itching, but they do not have muscle-relaxing properties and therefore are not effective for this purpose.