Small blue round pill v 2531
A round blue pill with the imprint 2531 on the front, and V on the back of it is 1mg of Clonazepam (made by Qualitest Pharmaceuticals Inc).
Clonazepam is a benzodiazepine anticonvulsant that is used to treat panic disorder, seizure, anxiety, bipolar disorder, and periodic limb movement disorder, among other illnesses.
There is a risk of abuse with this drug. This prescription-only medication may pose a risk to an unborn fetus, and should be used only under a doctor's supervision.