dosage form for prolonged relief

摘要

a dosage form with a first portion and a second portion. the first portion may be an immediate release portion and may comprise an analgesic which may be naproxen or sodium naproxen. the second portion may be a sustained release portion and may comprise pseudoephedrine or a pharmaceutically acceptable salt thereof and / or dextromethorphan or a pharmaceutically acceptable salt thereof. The dosage form may optionally comprise a stabilizing agent. The dosage form may be adapted to maintain a therapeutically effective amount of analgesic, pseudoephedrine, or a pharmaceutically acceptable salt thereof, and / or dextromethorphan, or a pharmaceutically acceptable salt thereof, for at least eight hours.