- Sabril
- Sabril Sachets
- Salagen
- Salofalk
- Samsca
- Sanctura
- Sanctura XR
- Santyl Ointment
- Saphris
- Savayasa
- Savaysa
- Savella
- Saxenda
- Seasonale
- Seasonique
- Sectral
- Selegiline
- Selsun
- Selsun Blue
- Selzentry
- Senokot
- Senokot-S
- Sensipar
- Sentinel Spectrum
- Seresto
- Serevent Diskus
- Serevent Inhaler
- Seroquel
- Seroquel XR
- Sertraline
- Sevelamer Carbonate
- Sevelamer HCl
- Sibelium
- Sildenafil Suspension
- Silenor
- Simbrinza Opthalmic
- Simparica
- Simponi
- Sinemet
- Sinemet CR
- Sinequan
- Singulair
- Singulair Chewable
- Singulair Granules
- Sintrom
- Skelaxin
- Sodium Bicarbonate
- Sodium Chloride Nasal Solution
- Sodium Polystyrene Sulfonate Powder
- Solaraze
- Solian
- Soltamox
- Solu-Medrol
- Soolantra
- Sorafenib
- Soriatane
- Sovaldi
- Spectazole
- Spectracef
- Spiriva
- Spiriva Respimat
- Spironolactone/HCTZ
- Sporanox
- Sporanox Oral Solution
- Sprix Nasal
- Sprycel
- Sronyx
- Stablon
- Stalevo
- Starlix
- Stavzor
- Staxyn
- Steglatro
- Steglujan
- Stelazine
- Stendra
- Sterane
- Sterapred
- Stimate
- Stiolto Respimat
- Stivarga
- Strattera
- Stribild
- Striverdi Respimat
- Stromectol
- Sulfamethoxazole/Trimethoprim
- Sulindac
- Sumycin
- Suprafect Depot
- Suprax
- Suprax Oral Suspension
- Surgam
- Surmontil
- Surpass
- Sustiva
- Sutent
- Symbicort Inhaler
- Symbicort Turbuhaler
- Symmetrel
- Symtuza
- Synacort
- Synagis
- Synalar
- Synalar Ointment
- Synarel
- Synjardy
- Synthroid
- Synvisc
- Synvisc One