- Xadago
- Xalacom
- Xalatan
- Xarelto
- Xatral
- Xatral XL
- Xeljanz
- Xeljanz XR
- Xeloda
- Xelpros
- Xenazine
- Xenical
- Xeomin
- Xepin Cream
- Xerese
- Xifaxan
- Xifaxanta
- Xigduo
- Xigduo XR
- Xiidra Ophthalmic Solution
- Xopenex HFA Inhaler
- Xovoltib
- Xtandi
- Xydalba Injection
- Xylac
- Xylocaine Jelly Tube
- Xylocaine Pump
- Xyloproct Ointment
- Xyzal