Now Approved/Coming Soon Website for Tavalisse May 1, 2018May 1, 2018 Brand: Tavalisse (fostamatinib disodium hexahydrate), Tablets Parent Company: Rigel Drug Type: Prescription Drug Category: Hematology Campaign: Coming Soon, now-approved Targeting: HCPs, Patients Patient Website: http://tavalisse.com/ HCP Website: http://tavalisse.com/ Homepage Homepage (Mobile)