Not Medical Advice: Pill imprint S 901 has been identified as Alprazolam 0.5 mg.
Alprazolam is used to relieve symptoms of anxiety, including anxiety caused by depression. It is also used to treat panic disorder in some patients.
Alprazolam is a benzodiazepine. Benzodiazepines belong to the group of medicines called central nervous system (CNS) depressants, which are medicines that slow down the nervous system.
US Brand Names: