sodium fluoride
sodium phosphate monohydrate
sodium phosphate dibasic anhydrous
sodium phosphates (sodium phosphate and sodium biphosphate)
sodium polystyrene sulfonate
somatropin
sotalol
sparfloxacin
spironolactone
stavudine (d4T)
streptokinase
streptomycin sulfate
succimer
sucralfate
sufentanil citrate
sulfadiazine
sulfasalazine
sulfinpyrazone
sulindac
sumatriptan succinate
salmeterol xinafoate
saquinavir
saquinavir mesylate
sargramostim
(granulocyte-macrophage
colony stimulating
GM-CSF)
scopolamine hydrobromide
secobarbital sodium
selegiline hydrochloride (L-deprenyl hydrochloride)
senna
sertraline hydrochloride
sevelamer hydrochloride
sibutramine hydrochloride monohydrate
sildenafil citrate
simethicone
simvastatin
sirolimus
sodium bicarbonate
sodium ferric gluconate complex