Light pink, round tablet, blank on one side and C 118 imprinted on the other.
sorry - can't help you with this one
Orange, round tablet, 521 imprinted on one side and an interesting imprint on the other side. It looks kind of like a %, but maybe more like an 8 with a / through the center of it.
This is
Prochlorperazine Maleate Tablets, USP 5 mg
Description: Generic for Compazine®.
Orange, round, unscored tablet contains prochlorperazine maleate equivalent to 5 mg prochlorperazine. Debossed with dp on one side and 521 on the other side.
You will find an image at barrproductguide.com
Info at
http://prochlorperazine.drugs.com