kweb, you're right.
This pill is
METHYLPREDNISOLONE 4 MG
a generic version of
Medrol®, a corticosteroid used to help reduce swelling, redness, itching etc (and many other conditions).
Imprint Code dp 301 (the dp looks like $)
Description white, oval, scored tablet
You will find an image at barrproductguide.com
Info at
http://www.drugs.com/MTM/methylprednisolone.html