Round white scored tablet imprinted Watson on one side and 242 above 2 on the other side is 2 mg
lorazepam, a drug that treats anxiety disorders and controls some types of seizures.
More info:
http://lorazepam.drugs.com/
I'm not a pharmacist or a medical doctor. This message is not medical advice nor is it an offer to provide medical advice. All drug identifications should be validated by a licensed MD or pharmacist.