Not Medical Advice: A white, bar pill with U94 imprint has been identified as Alprazolam 2mg.
Alprazolam - U 94 | Pharmer.org via kwout
Alprazolam is a benzodiazepine. It affects chemicals in the brain that may be unbalanced in people with anxiety.
Alprazolam is used to treat anxiety disorders, panic disorders, and anxiety caused by depression.
Check out 11 Tips to Control Your Anxiety, shared by Calm Clinic.