- Sobrerol
 - Sochlor
 - SodiPhluor
 - Sodium Acetate
 - Sodium Aminosalicylate
 - Sodium Apolate
 - Sodium Aurothiomalate
 - Sodium Aurotiosulfate
 - Sodium Bicarbonate
 - Sodium Borate
 - Sodium Cellulose Phosphate
 - Sodium Chloride
 - Sodium Chloride, Hypertonic
 - Sodium Chlorite
 - Sodium Citrate
 - Sodium Edetate
 - Sodium Feredetate
 - Sodium Fluoride
 - sodium fluoride (18F)
 - Sodium Fluoride, Combinations
 - Sodium Folinate
 - Sodium Glycerophosphate
 - Sodium Hypochlorite
 - sodium iodide (123I)
 - sodium iodide (124I)
 - sodium iodide (131I)
 - sodium iodohippurate (123I)
 - sodium iodohippurate (131I)
 - Sodium Iopodate
 - sodium iothalamate (125I)
 - Sodium Levofolinate
 - Sodium Monofluorophosphate
 - Sodium Nitrite
 - Sodium Oxybate

 - Sodium Perborate
 - Sodium Phenylbutyrate
 - Sodium Phosphate
 - sodium phosphate (32P)
 - Sodium Picosulfate
 - Sodium Picosulfate, Combinations
 - Sodium picosulfate, magnesium oxide, and anhydrous citric acid
 - Sodium Propionate
 - Sodium Salicylate
 - Sodium Selenate
 - Sodium Selenite
 - Sodium Stibogluconate
 - Sodium Sulamyd
 - Sodium Sulfate
 - Sodium Tartrate
 - Sodium tetradecyl sulfate

 - Sodium zirconium cyclosilicate
 - Sofosbuvir

 - Sofosbuvir and Velpatasvir

 - Sofosbuvir, velpatasvir, and voxilaprevir
 - Soft Dine
 - Softkote
 - Softsoap
 - Softsoap Antibacterial
 - Softsoap Instant Hand Sanitizer
 - Sogroya
 - Sojourn
 - Solage
 - Solaquin
 - Solaquin Forte
 - Solaraze

 - Solarcaine

 - Solarcaine Plus Aloe
 - Solatene
 - Solesta

 - Solfoton
 - Solganal
 - Solifenacin

 - Soliqua

 - Soliris

 - Solodyn

 - Solosec

 - Solotuss
 - Solriamfetol
 - Soltamox

 - Solu-Cortef
 - Solu-Medrol

 - Solu-Phyllin GG
 - Soluclenz
 - Solv X
 - Soma

 - Soma Compound
 - Soma Compound with Codeine
 - Somapacitan-beco
 - Somatorelin
 - Somatostatin
 - Somatrem
 - Somatropin

 - Somatuline Depot

 - Somavert

 - Sominex
 - Somnicaps
 - Somnicin
 - Sonacaine

 - Sonahist
 - Sonahist-DM
 - Sonata

 - Sonidegib

 - Soolantra

 - Soothables KAPD
 - Soothe & Cool Dandruff
 - Soothe Lubricant Eye Drops
 - Soothe Night Time
 - Sorafenib

 - Sorbitol
 - Sorbitrate
 - Sorbutuss
 - Soriatane 

 - Sorilux

 - Sorine

 - Sotalol

 - Sotalol And Thiazides
 - Sotalol, Combinations
 - Sotradecol

 - Sotret

 - Soulus

 - Sovaldi
