An antibiotic product, in particular an erythromyacin, is comprised of at
least three dosages forms, each of which has a different release profile,
with the C.sub.max for the antibiotic product being reached in less than
about twelve hours. In one embodiment, there is an immediate release
dosage form, as well as two or more delayed release dosage forms, with
each of the dosage forms having a different release profile, wherein each
reaches a C.sub.max at different times.