For those considering or currently undergoing treatment with tysabri, understanding the potential tysabri side effects is essential. This powerful medication can significantly impact multiple sclerosis symptoms, but it's also associated with a range of side effects that can affect patients differently. In this thread, we discuss the most common side effects, personal experiences with managing them, and strategies for mitigating any adverse effects. Whether you're a new patient or have been on Tysabri for a while, your insights and questions can help others navigate their treatment journey more effectively.