A tamperproof dosage form for oral administration comprising a cap and a body each comprising an outer surface and an inner surface, the cap and body being arranged to telescopically engage with eachother such that an overlap region is formed between a portion of the outer surface of the body and a portion of the inner surface of the cap, said overlap region comprising an overlap length extendingparallel to a centerline of said dosage form, wherein an adhesive substance is comprised throughout at least a portion of the overlap length bonding said cap to said body. The adhesive substance being essentially free of organic solvent.