Posted in Web Vertex Announces FDA Approval of JOURNAVX™ (suzetrigine), a First-in … January 31, 2025 JOURNAVX can cause side effects: The most common side effects for patients treated with JOURNAVX include itching, muscle spasms, increased blood level of creatine phosphokinase, and rash. JOURNAVX … https://www.afp.com/en/infos/vertex-announces-fda-approval-journavxtm-suzetrigine-first-class-treatment-adults-moderate