White oval pill with an hourglass or bowtie logo and 4175 is 400 mg
etodolac, a nonsteroidal anti-inflammatory drug.
The other side of the pill should have an imprint of 400 on it.
More info:
http://etodolac.drugs.com/
MIA 110 is generic
Fioricet containing 325 mg
acetaminophen, 50 mg butalbital and 40 mg caffeine. It's an analgesic that is used for treating headaches.
More info:
http://Fioricet.drugs.com/