Name	Class	Category	OTC	FDA/IWN
Solifenacin Succinate	Antispasmodic, Urinary Antispasmodic	Allopathy	Prescription	FDA
Sorafenib	Anticancer/Antineoplastic Agent, Multikinase Inhibitor/VEGF/VEGFR Inhibitor	Allopathy	Prescription	FDA
Sotalol Hydrochloride	Cardiovascular Agent, Antiarrhythmic Agent, Beta-Adrenoceptor Blocker	Allopathy	Prescription	FDA
Sparfloxacin	Antiinfective Agent, Antibiotic, Fluoroquinolone	Allopathy	Prescription	FDA
Spectinomycin Hydrochloride	Antibiotic, Antiinfective Agent	Allopathy	Prescription
Spiramycine	Antiinfective Agent, Antibiotic, Macrolide	Allopathy	Prescription	FDA
Spironolactone	Cardiovascular Agent, Diuretic	Allopathy	Prescription	FDA
Streptokinase	Thrombolytic, Anticoagulant	Allopathy	Prescription
Streptomycin	Antiinfective Agent, Antibiotic, Aminoglycoside	Allopathy	Prescription	FDA
Streptomycin + Sulfadiazine + Sulfadimidine + Sulfapyridine	Sulfonamide, Antibiotic Combination, Aminoglycoside, Antiinfective Agent	Allopathy	Prescription	FDA
Strontium Renalate	Nutritional Supplement, Dietary Suppleement	Allopathy	OTC	FDA
Sucralfate	Gastrointestinal Agent, Laxatives	Allopathy	Prescription	FDA
Sucralose	Nutritional Supplement, Dietary Suppleement	Allopathy	Prescription	FDA
Sucrose	Nutritional Supplement, Dietary Suppleement	Allopathy	OTC	FDA
Sulfaclozine	Antiinfective Agent, Antiprotozoal / Amebicide	Allopathy	Prescription	FDA
Sulfaclozine + Vitamin K	Nutritional Supplement, Mineral and Vitamin Combination	Allopathy	Prescription	FDA
Sulfadiazine	Antiinfective Agent, Antibiotic, Dermatological/Topical Agent, Topical Antiinfective Agent	Allopathy	Prescription	FDA
Sulfadimidine	Antiinfective Agent, Antibiotic, Macrolide	Allopathy	Prescription	FDA
Sulfadoxine	Antiinfective Agent, Antimalarial Agent	Allopathy	Prescription	FDA
Sulfapyridine	Antiinfective Agent, Antibiotic, Sulfonamide	Allopathy	Prescription	FDA