What kind of pill is this?! It is round, white, with a coating and has one blank side and the other side has the numbers 333.

http://www.webmd.com/drugs/image.aspx?drugid=92257&drugname=Campral+Dose+Pak+Oral&title=CAMPRAL+333+MG+DOSE+PAK&monoid=00456333060

CAMPRAL 333 MG DR TABLET
This medicine is a white, round, enteric-coated tablet imprinted with "333".
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http://www.webmd.com/drugs/image.aspx?drugid=9153&drugname=E-Mycin+Oral&title=E-MYCIN+333+MG+TABLET+EC&monoid=54868022001

E-MYCIN 333 MG TABLET EC
This medicine is a white, round, enteric-coated tablet imprinted with "E-MYCIN 333mg".

It sounds it could be one of these two different medications that I got the info for www.webmd.com these above links will talk you to the site to compare your tablet with theses to see which tablet is the one you have.... Your eyes can be the best way remember non of us can see your pill. You need to decide.

It's half of a Satan Pill

i looked it up on webmd.com and it is campral... it is to help people quit drinking

It is Campral, it helps you to quit drinking.

It is Erythromycin an antibiotic..Throw it away

Campral 333 MG Time release tablet. It is not completely understood exactly how Campral works to help people maintain alcohol abstinence, but it is believed to restore a chemical balance in the brain that is disrupted by long-term or chronic alcohol abuse. In other words, it helps the brain begin working normally again. Unlike Antabuse and Naltrexone, Which would make you "sick" if you have a drink, Campral reduces the physical distress and emotional discomfort people usually experience when they quit drinking. Hope this helps.