Rivastigmin-Mepha Patch 4,6 mg/24 h transdermique patch: 30 sachets. [B] Rivastigmin-Mepha Patch 9,5 mg/24 h transdermique patch: 30, 60 sachets. [B] Rivastigmin-Mepha Patch 13,3 mg/24 h transdermique patch: 30, 60 sachets. [B]