Pharmaceutical tablets comprising a plurality of segments

An immediate release compressed pharmaceutical tablet having a first segment that contains a drug or drugs and a second segment, in which:

• a) said second segment either has no detectable amount of a drug or a pharmacologically ineffective amount of a drug and said tablet consists said first segment and said second segment;
• or b) said first segment having a score extending at least 70% of the distance from a surface of said first segment, towards an interface between said first and second segments, said surface being in a plane which extends over said score, said distance being measured along a line which is placed at the shortest distance from said plane to the surface of said first segment.