Investigation: complaint trending review of the lot for this issue reveals this is the first complaint.The non-conformances were reviewed for this batch, and there was no record of non-conformance which could contribute to the complaint verbatim reported by the customer.In addition, the retain samples were obtained and repeat endotoxin testing was performed on samples.All results were within the acceptance criteria.Based on the information provided, it is more probable than not that the symptoms described may be an allergic reaction; however, it is highly improbable that this reaction was produced by the normal saline in the bd posiflush product.During the period 2017-2019, there are no other adverse customer complaint trends for the complaint category of allergic reaction, apart from fresenius kabi uk.There are no known allergies to normal saline, either topical or within the body.It is most likely that whatever fluid was in the iv line prior to flushing contained inadequately flushed medication or glucose from previous treatments.
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