- X-5 Therapeutic topical
- X-Caine injection
- X-Prep
- X-Prep Bowel Evacuant Kit-1
- X-Seb
- X-Seb T Plus
- X-Viate
- X-Viate Gel
- X-Viate Lotion
- Xadago
- Xalatan
- Xalkori
- Xaluprine
- Xanax
- Xanax (Alprazolam)
- Xanax Oral
- Xanax XR
- Xanax XR Oral
- XaQuil XR
- Xarelto
- Xartemis XR
- Xatmep
- Xcel 100
- Xeljanz
- Xeljanz XR
- Xeloda
- Xelpros
- Xembify
- Xenaderm
- Xenaderm Ointment
- Xenaderm topical
- Xenazine
- Xenical
- Xenleta
- Xenon Gas in Carbon Dioxide
- Xenon Xe 133 Gas
- Xeomin
- Xepi
- Xepi Cream
- Xepin
- Xeplion
- Xerac AC
- Xerac AC topical
- Xerac Bp 10 topical
- Xerava
- Xerese
- Xerese topical
- Xermelo
- Xgeva
- Xhance
- Xhance (Fluticasone (Nasal))
- Xhance (Fluticasone Nasal Spray (Exhaler))
- Xhance nasal
- Xiaflex
- Xiaflex injection
- Xibrom
- Xifaxan
- Xifaxanta
- Xigduo XR
- Xigris
- Xigris intravenous
- Xiidra
- Xilapak topical
- Xilonix
- Ximino
- Xl-dol
- XLYS-TRY Maxamum oral
- XLys, XTrp Maxamum oral
- XMet Maxamaid oral
- XMet Maxamum oral
- Xodol 5/300 oral
- Xofigo
- Xolair
- Xolegel
- Xolegel Corepak topical
- Xolegel Duo / Xolex
- Xolido
- Xopenex
- Xopenex HFA
- Xopenex inhalation
- Xopenex Inhalation Solution Concentrate
- Xopenex Pediatric
- Xoten-C topical
- Xotic-Hc otic
- Xpect
- Xpect Hc
- XPhe Maxamum Drink oral
- XPhe, XTrp Maxamaid oral
- Xryliderm
- Xtampza ER
- Xtandi
- Xtandi oral
- Xtoro
- Xulane
- Xultophy
- Xuriden
- XyliMelts
- Xylocaine
- Xylocaine (Cardiac)
- Xylocaine (Cardiac) (PF) intravenous
- Xylocaine (Lidocaine Injection Solution (Anesthetic))
- Xylocaine Dental mucous membrane
- Xylocaine in dextrose 7.5 % injection
- Xylocaine injection
- Xylocaine Jelly
- Xylocaine MPF Sterile Solution
- Xylocaine MPF With Epinephrine
- Xylocaine Topical
- Xylocaine Topical application
- Xylocaine Viscous mucous membrane
- Xylometazoline
- Xylometazoline LA nasal
- Xylometazoline Nasal
- Xylometazoline, Combinations
- Xylon
- Xylon 10
- Xyntha
- Xyntha intravenous
- Xyntha Solofuse intravenous
- Xyosted
- Xyralid
- Xyralid RC
- Xyrem
- Xyrem oral
- Xyzal