Question: how long do flu symptoms last after botox?
Answer: FLS reported in 3 pts (1.7%), appeared 7–10 days after injection with symptoms lasting 1–2 weeks. FLS reported in 2 patients (5.1%) lasting < 2 days. In Group 3, most common AEs reported were prolonged weakness of treated limb, FLS and edema. Some patients reported these symptoms endured > 4weeks.