- St-37
- St. Ives Blemish & Blackhead Control
- St. Joseph Aspirin
- St. Joseph Aspirin-Free
- St. Joseph Cough Suppressant
- Stadol
- Stagesic
- Stahist
- Stahist AD
- Stahist AD Liquid
- Stahist Reformulated Apr 2013
- Stalevo

- Stamoist LA
- Stanback Headache Powder
- Stanback Headache Powder Reformulated Jan 2011
- Stangard
- Stanimax Gel
- Stanimax Perio Rinse
- Stannous Fluoride
- Stanozolol
- StaphAseptic
- Staphylococcus Immunoglobulin
- Starlix

- Stat Awake
- Staticin

- Statrol
- Statuss
- Statuss DM
- Statuss Green
- Statuss Green Reformulated Jan 2012
- Stavudine

- Stavudine, Lamivudine And Nevirapine
- Stavzor
- Staxyn

- Stay Alert
- Steglatro

- Steglujan

- Steiro Lotion
- Stelara

- Stelazine

- Stem Cells From Umbilical Cord Blood
- Stendra

- Stepronin
- Sterapred

- Sterapred DS

- Sterculia
- Sterculia, Combinations
- Sterillium
- Sterilube
- Steroform
- Stibophen
- Stilphostrol
- Stimate
- Stimate
- Stingeze
- StingEze w/ Camphor
- Stiolto Respimat

- Stiripentol
- Stivarga

- Stona
- Stona Cough
- Stonarhini
- Stramoni Preparations
- Strattera

- Strensiq

- Streptase
- Streptoduocin
- Streptokinase
- Streptokinase, Combinations
- Streptomycin
- Streptomycin And Isoniazid
- Streptomycin, Combinations
- Streptozocin

- Stri-Dex
- Stri-Dex Clear Gel
- Striant

- Stribild

- Stridex
- Stridex Essential
- Strifon Fort
- Striverdi Respimat

- Stromectol

- Strongid
- strontium (89Sr) chloride
- Strontium Ranelate
- Stye
- Styramate