Further information from the reporter regarding event, product, or patient details has been requested.No additional information is available at this time.The events of swelling, numbness and droopiness are physiological complications and analysis of the device generally does not assist allergan in determining a probable cause for these events.Device labeling addresses the reported event(s) as follows: "warnings ¿ injection site reactions consist mainly of short-term inflammatory symptoms starting early after treatment and lasting = 7 days in facial wrinkles and folds, and typically last = 14 days in the lips.Refer to the adverse events section for details.Adverse events ¿ the most common injection site responses for juvéderm® ultra xc were redness, swelling, tenderness, firmness, lumps/bumps, discoloration, and bruising.Functional features of the lips, including lip sensitivity, sensation, and speech were assessed before treatment and at follow-up visits after treatment.Minimal changes were noted in subject self-assessments of the function and sensation of the lips and mouth area, treating investigator assessments of other functional features of the lips and mouth area, evaluating investigator assessments of subjects¿ lip sensitivity, and speech and language pathologist assessments of subjects¿ speech and articulation at scheduled timepoints following treatment, thus demonstrating that lip function and sensation were unaffected by treatment with juvéderm® ultra xc.Postmarket surveillance the following adverse events were received from postmarket surveillance for juvéderm® ultra and ultra plus, with and without lidocaine, with a frequency of 5 events or more and were not observed in the clinical study; this includes reports received globally from all sources including scientific journals and voluntary reports.All adverse events obtained through postmarket surveillance are listed in order of number of reports received: lack or loss of correction, inflammatory reaction, allergic reaction, infection, migration, paresthesia, vascular occlusion, necrosis, abscess, flu-like symptoms, headache, malaise, vision abnormalities, scarring, nausea, drainage, dyspnea, beading, syncope, dizziness, anxiety, deeper wrinkle, and granuloma.In many cases, the symptoms resolved without any treatment.Reported treatments have included: antibiotics, steroids, steroidal creams, hyaluronidase, anti-inflammatories, anti-histamines, needle aspiration and drainage, ultrasound therapy, analgesics, anti-viral, excision, eye drops, hyperbaric oxygen, laser resurfacing, tissue debridement, surgical scar revision, ice, massage, and warm compress.".
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