- Xacduro®see Durlobactam Injection and Sulbactam Injection
- Xadago®see Safinamide
- Xalatan®see Latanoprost Ophthalmic
- Xalkori®see Crizotinib
- Xanax®see Alprazolam
- Xanax® XRsee Alprazolam
- Xarelto®see Rivaroxaban
- Xartemis XR® (as a combination product containing Acetaminophen, Oxycodone)see Oxycodone
- Xcopri®see Cenobamate
- Xeljanz®see Tofacitinib
- Xeljanz® XRsee Tofacitinib
- Xeloda®see Capecitabine
- Xelpros®see Latanoprost Ophthalmic
- Xenazine®see Tetrabenazine
- Xenical®see Orlistat
- Xenleta®see Lefamulin
- Xenleta®see Lefamulin Injection
- Xeomin®see IncobotulinumtoxinA Injection
- Xepi®see Ozenoxacin
- Xerava®see Eravacycline Injection
- Xerese® (as a combination product containing Acyclovir, Hydrocortisone)see Acyclovir Topical
- Xerese® (as a combination product containing Acyclovir, Hydrocortisone)see Hydrocortisone Topical
- Xermelo®see Telotristat
- Xgeva®see Denosumab Injection
- Xhance® Nasal Spraysee Fluticasone Nasal Spray
- Xiaflex®see Collagenase Clostridium histolyticum Injection
- Xibrom®see Bromfenac Ophthalmic
- Xifaxan®see Rifaximin
- Xigduo® XR (as a combination product containing Dapagliflozin, Metformin)see Dapagliflozin
- Xigduo® XR (as a combination product containing Dapagliflozin, Metformin)see Metformin
- Xiidra®see Lifitegrast Ophthalmic
- Ximino®see Minocycline
- Xofluza®see Baloxavir Marboxil
- Xolair®see Omalizumab Injection
- Xolegel®see Ketoconazole Topical
- Xolremdi®see Mavorixafor
- Xopenex® HFAsee Levalbuterol Oral Inhalation
- Xospata®see Gilteritinib
- Xphozah®see Tenapanor (Xphozah)
- Xpovio®see Selinexor
- Xtampza® ERsee Oxycodone
- Xtandi®see Enzalutamide
- Xulane® (as a combination product containing Ethinyl Estradiol, Norelgestromin)see Estrogen and Progestin (Transdermal Patch Contraceptives)
- Xultophy® (as a combination product containing Insulin Degludec and Liraglutide)see Liraglutide Injection
- Xultophy® (as a combination product containing Insulin Degludec and Liraglutide)see Insulin Degludec (rDNA Origin) Injection
- Xylishield®see Fluoride
- Xylocaine® Viscoussee Lidocaine Viscous
- Xyosted®see Testosterone Injection
- Xyrem®see Sodium Oxybate
- Xywav®see Calcium, Magnesium, Potassium, and Sodium Oxybate
- Xyzal®see Levocetirizine