Originally Posted by After Shock Media

Aside from the oh so common straight out alcohol abuse and rampant chain smoking you mean? Yes both very common drugs. Then the onslaught of prescription meds and please do not say these are not used and or abused at shows. Then of course marijuana is used medicinally and not medicinally. If you bother to look almost anywhere you will also find others such drugs as coke, ecstasy, LSD, and meth.

Few will bother you with it, though as AaronM also stated though some are a bit off and you can loose some business opportunities if you do not follow along.

Why stop at drugs though, we not get concerned with the amount of sex going on without current tests. Then as mentioned above I have had the most number of issues with people who just drank to fucking much.