- Sabril
- Salagen
- Salicylic Acid, Sulfur, And Coal Tar
- Salmeterol (Inhalation Route)
- Samsca
- Sanctura
- Sancuso
- SandIMMUNE
- SandoSTATIN
- Saphris
- SAStid
- Savaysa
- Savella
- Saxagliptin And Metformin (Oral Route)
- Saxenda
- Sclerosol Intrapleural
- Se Aspartate
- Sectral
- Seebri Neohaler
- Selexipag (Oral Route)
- Selzentry
- Sensipar
- Ser-Ap-Es
- Serax
- Sermorelin Injection
- Seromycin
- Seroquel
- Serostim
- Serzone
- Signifor
- Silapap Childrens
- Silenor
- Simbrinza
- Simcor
- Simponi
- Sincalide (Intravenous Route)
- Sinemet
- Singulair
- Sirturo
- Sitavig
- Sivextro
- Sivextro (Oral)
- Skelid
- Sklice
- Sodium Bicarbonate
- Sodium Phosphate P 32
- Sodium Polystyrene Sulfonate
- Sodium Thiosulfate (Intravenous Route)
- Sojourn
- Solage
- Soliris
- Soltab
- Soma
- Somatrem
- Somatuline Depot
- Somavert
- Sonata
- Soriatane
- Sotalol
- Sotradecol
- Sovaldi
- Spectazole
- Spectracef
- Spiramycin
- Spiriva
- Sporanox
- Sprix
- Stadol
- Stadol NS
- Stalevo 100
- Starlix
- Stelara
- Stendra
- Sterile Saline Diluent Tip-Lok Syringe
- Stiolto Respimat
- Stivarga
- Strattera
- Streptase
- Streptomycin
- Striant
- Stribild
- Striverdi Respimat
- Stromectol
- Sublimaze
- Sucraid
- Sudafed
- Sular
- Sulfadiazine
- Sulfamethoxazole and Trimethoprim
- Sulfamylon
- Sulfapyridine
- Sulfinpyrazone
- Supprelin LA
- Suprax
- Suramin
- Surfaxin
- Surmontil
- Sustiva
- Sutent
- Sylvant
- Symbicort
- Symbyax
- Symlin
- Symmetrel
- Synagis
- Synalgos-DC
- Synarel
- Synera
- Synercid
- Synribo
- Synthroid
- Syprine