Abstract
To control safe administration of injection product, we should carefully handle foreign matters. Hospital sometimes encountered cases where insoluble matter formed during the preparation of injections. In order to deal with this situation, we discussed the mechanism of formation of the insoluble matter and countermeasures on manufacturing process. Insoluble matter was a critical problem for quality of drug product of injections. In this report, the review for general approach for the foreign matters on injection product was reported.
