injection, causing serious symptoms. alert your doctor right away as difficulty swallowing, speaking, breathing, i problem or muscle weakness can be signs of a life threatening condition. side effects may include allergic reactions, neck and injection site pain, fatigue, and headache. don't receive botox if there's a skin infection, tell your doctor your medical history muscle or nerve conditions and medications, including botulinum toxins, as these may increase the risk of serious side effects. >> in a survey, 92% of current users and they wish they talked their doctor started botox sooner. so ask your doctor if botox is right for you. code n