Gefapixant We have found the Brand name of Gefapixant. Currently, 3 brands available by this Gefapixant.List of Brands for Gefapixant MedicationGefapix (Tablet) 45 mgGefapixantSquare Pharmaceuticals PLCGefan (Tablet) 45 mgGefapixantEverest Pharmaceuticals Ltd.Coughex (Tablet) 45 mgGefapixantBeacon Pharmaceuticals PLC