Benzodiazepines are the primary drug class used to treat anxiety by enhancing GABA effects in the nervous system. Examples include Diazepam, Alprazolam, and Lorazepam. These medications must be used carefully due to the risk of dependence. ;
Benzodiazepines, such as Diazepam and Alprazolam, are the primary drug class used to treat anxiety by enhancing GABA's calming effects in the brain. They should be used with caution due to potential dependence. Therefore, the correct answer is C. Benzodiazepines.
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