What is a primary therapeutic use of drugs classified as SSRIs?

The primary therapeutic use of drugs classified as SSRIs, or selective serotonin reuptake inhibitors, is treating anxiety disorders. SSRIs work by increasing the levels of serotonin, a neurotransmitter that plays a key role in mood regulation, thereby helping to alleviate symptoms of anxiety. They are among the most commonly prescribed medications for various anxiety disorders, such as generalized anxiety disorder, panic disorder, and social anxiety disorder, due to their efficacy and generally favorable side effect profile.

The other options reflect uses that do not align with the primary indications for SSRIs. For example, managing schizophrenia is typically addressed with antipsychotic medications rather than SSRIs, while enhancing cognitive function is not a primary indication for these drugs. SSRIs are not primarily used to aid sleep disorders; while they may have some benefit in certain sleep issues related to anxiety or depression, they are not classified as sleep aids.