This unsolicited device case was received from (b)(6) on (b)(6) 2014 from a patient.This case concerns a female patient of unknown age who experienced allergic shock after receiving treatment with synvisc injection.No medical history, past drugs, other concomitant medication or concurrent conditions were reported.On an unspecified date, the patient started treatment with intraarticular synvisc injection (dose, frequency, indication, batch/lot number and expiration date: not provided).Later, after unknown latency, patient reacted to adminstration of synvisc into knee with allergic shock.It was reported that admission to hospital was required.Treatment with synvisc was discontinued.Action taken: drug withdrawn; corrective treatment: not reported; outcome: unknown.A pharmaceutical technical complaint (ptc) was initiated and conclusion was pending for the same.Seriousness assessment: inpatient/prolonged hospitalization.
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