Meds That Treat Anxiety Anxiety affects more than 40 million adults in the United States. It's extremely treatable with many types of medications available. SSRIs (selective serotonin reuptake inhibitors) and SNRIs (serotonin-norepinephrine reuptake inhibitors), like Zoloft, Prozac, Lexapro and Effexor, work to alleviate anxiety by raising levels of the chemical