This is a definitive report.We found this case in fda maude site on august 15, 2019.This case is also received by seikagaku corporation on august 19, 2019 from the fda as mw5088519 dated august 13, 2019.(b)(4).The reported adverse event was described in the package insert as follows; "according to post-marketing experience of other sodium hyaluronate preparations, anaphylactic/anaphylactoid reactions accompanied by transient hypotension (sudden drop in blood pressure), have been rarely reported worldwide, all of which resolved either spontaneously or after conservative treatment.".
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On (b)(6) 2019 - thirty minutes after a gel-one injection in his right knee, the patient went to a smoke house and was told by witnesses that he turned "white".The patient then felt his throat closing and felt itching throughout his body (especially over the face and neck).The patient was then admitted into a hospital and given diphenhydramine, methylprednisolone and ranitidine.The patient's condition eventually improved.Symptoms: anaphylaxis, skin rash, urticaria pruritus.
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