sp spa-sph Spacol spaglumic acid (INN) Span-FF sparfloxacin (INN) sparfosic acid (INN) Sparine sparsomycin (INN) sparteine (INN) Spasmoject Spasmolin Spectamine Spectazole spectinomycin (INN) Spectracef Spectrobid Spherulin spi spic-spip spiclamine (INN) spiclomazine (INN) spinosad (USAN) Spinraza spiperone (INN)
spir-spiz spiradoline (INN) spiramide (INN) spiramycin (INN) spirapril (INN) spiraprilat (INN) spirazine (INN) spirendolol (INN) spirgetine (INN) spirilene (INN) spiriprostil (INN) Spiriva spirofylline (INN) spirogermanium (INN) spiroglumide (INN) spiromustine (INN) Spironazide spironolactone (INN) spiroplatin (INN) spirorenone (INN) spiroxasone (INN) spiroxatrine (INN) spiroxepin (INN) Spirozide spizofurone (INN) spo-sps Sporahexal (cefalexin) Sporanox Sportscreme Spravato sprifermin (INN) Sprintec sprodiamide (INN) SPRX SPS
sq squalamine lactate (USAN)
ss SSD. Redirects to Silver sulfadiazine. SSKI st sta-ste stacofylline (INN) Stadol Stahist Stalevo 100 stallimycin (INN) stamulumab (INN, USAN) Stan-Gard Stanozide stanozolol (INN) Staphcillin Starjemza Starlix Starnoc Statex Staticin Statobex Statrol stavudine (INN) stearylsulfamide (INN) steffimycin (INN) Stelara Stelazine Stemetil Stemex stenbolone (INN) stepronin (INN) Steqeyma Sterane Sterapred stercuronium iodide (INN) Steri-Stat stevaladil (INN)
sti-sto stibamine glucoside (INN) stibosamine (INN) Stie-Cort stilbamidine isetionate (INN) Stilbestrol Stilbetin Stilphostrol Stimate stirimazole (INN) stiripentol (INN) stirocainide (INN) Stoboclo Stop Stoxil
str-sty Stratagraft Strattera streptodornase (INN) streptokinase (INN) streptomycin (INN) streptoniazid (INN) streptovarycin (INN) streptozocin (INN) Stri-dex Striant Strifon Forte DSC strinoline (INN) Stromectol Stronghold StrongStart Strontium Chloride Sr-89 styramate (INN)
su Su-Tuss-HD sub subathizone (INN) subendazole (INN) Sublimaze Preservative Free Suboxone Subutex