| Zaditen and/or Equivalents | Zaditen | 
| Zaditen Syrup and/or Equivalents | Zaditen Elixir, Zaditen Syrup | 
| Zaditor Eye Drops and/or Equivalents | Ketotifen Opthalmic Solution, Zaditor Eye Drops | 
| Zanaflex and/or Equivalents | Tizanidine | 
| Zanidip and/or Equivalents | Lercanidipine, Zanidip | 
| Zantac and/or Equivalents | ARP Acid Reducer, Ranitidine, Zantac, Ranitidine Oral Solution, Apo-Ranitidine, Zantac Cool Mint | 
| Zantac Injection and/or Equivalents | Zantac Injection | 
| Zarontin and/or Equivalents | Zarontin | 
| Zarontin Syrup and/or Equivalents | Zarontin, Zarontin Syrup | 
| Zaroxolyn and/or Equivalents | Zaroxolyn | 
| Zebeta and/or Equivalents | Cardicor, Bisoprolol, Bispro, Bosvate, Teva-Bisoprolol, Sandoz-Bisoprolol | 
| Zebinix and/or Equivalents | Zebinix | 
| Zelapar ODT and/or Equivalents | Zelapar | 
| Zelboraf and/or Equivalents | Zelboraf | 
| Zeniquin and/or Equivalents | Zeniquin | 
| Zepatier and/or Equivalents | Zepatier | 
| Zerit and/or Equivalents | Zerit | 
| Zestoretic / Prinzide and/or Equivalents | Lisinopril/Hydrochlorothiazide, Novo-Lisinopril/HCTZ, Sdz-Lisinopril/Hydrochlorothiazide, Zestoretic | 
| Zestril / Prinivil and/or Equivalents | Lisinopril, Arrow- Lisinopril, Co-Lisinopril, Teva-Lisinopril, Zestril, Arrow-Lisinopril, Prinivil, Sdz-Lisinopril | 
| Zetia and/or Equivalents | Ezetimibe, Ezetrol, Jamp-Ezetimibe | 
| Ziagen and/or Equivalents | Abacavir, Apo-Abacavir, Ziagen | 
| Ziagen Oral Solution and/or Equivalents | Ziagen Oral Solution | 
| Ziana Gel and/or Equivalents | Biacna Topical Gel | 
| Zirgan Ophthalmic Gel and/or Equivalents | Virgan Eye Gel | 
| Zithromax and/or Equivalents | Zithromax Suspension, Zithromax suspension 22.5ml, Azithromycin, CO-Azithromycin, Mylan-Azithromycin, Teva-Azithromycin, Zithromax, Arrow-Azithromycin, Co Azithromycin, Co-Azithromycin |