| Name | Class | Category | OTC | FDA/IWN |
|---|---|---|---|---|
| Zoledronic Acid | Metabolic Agent, Biphosphonate, Bone Resorption Inhibitor | Allopathy | Prescription | FDA |
| Zolmitriptan | Analgesic / Pain Killer, Central Nervous System Agent, Antimigraine Agent | Allopathy | Prescription | FDA |
| Zolpidem Tartrate | Central Nervous System Agent, Sedative and Hypnotic, Anxiolytic | Allopathy | Prescription | FDA |
| Zopiclone | Central Nervous System Agent, Sedative and Hypnotic | Allopathy | Prescription | FDA |