DUI generally refers to driving under any kind of intoxication regardless of whether it originates from alcohol, drugs or the combination of both. Although the punishments for DUI remain essentially the same in most states, the standard for what it means to be under the influence of drugs and alcohol varies from state to state. But if you are proven to be driving under influence, you will be taken into custody almost immediately everywhere, under such circumstances, it is important for you to contact a lawyer with prior experiences on DUI cases as soon as possible.