NITROFURANTOIN CONTROLLED RELEASE DOSAGE FORM

摘要

The present invention generally relates to controlled release dosage forms which provide immediate release and sustained release of nitrofurantoin, and processes for their preparation. The controlled release dosage form includes a sustained release portion and an immediate release portion. The sustained release portion includes nitrofurantoin and one or more pH dependent hydrophilic polymers. The immediate release portion includes nitrofurantoin.