| Name | Aliases |
|---|---|
| Shilajit Resin (Shilajit) | |
| Shingrix (Varicella Zoster Immune Globulin Human) | |
| Siberian ginseng root / coenzyme q10 / Inositol (Wellman Conception Fertility & Production) | |
| Sibutramine Hydrochloride (Meridia) | |
| Sifrol (pramipexole dihydrochloride) | Mirapex |
| Sifrol ER (pramipexole dihydrochloride) | Mirapex ER |
| Sildenafil Citrate (Revatio) | |
| Sildenafil Citrate (Viagra) | |
| Silenor (Doxepin Hydrochloride) | |
| Silica / Biotin (Nourkrin) | Nourkin Woman, Nourkrin Man |
| Silkis (Calcitriol) | Vectical |
| Silodosin (Rapaflo) | |
| Silvadene (Silver Sulfadiazine cream) | Flamazine |
| Silver Sulfadiazine cream (Silvadene) | Flamazine |
| Silver Sulfadiazine cream (Thermazene) | |
| Silybin / S-Adenosylmethionine (SAMe) (Denamarin) | |
| Silybum marianum (Milk Thistle) | Nature's Bounty Milk Thistle |
| Simbrinza (Brimonidine Tartrate / Brinzolamide) | |
| Simeprevir (Olysio) | |
| Simethicone (Ovol) |