See Drug Interventions by First Letter (S)
- S 1 (combination)
- S 20098
- S-methylthiocitrulline
- SA 4503
- Safingol
- Sage
- Salacia
- Salicylates
- Salicylic Acid
- Salicylsalicylic acid
- Salivary plasminogen activator alpha 1, Desmodus rotundus
- Salmeterol
- Salmon calcitonin
- Samarium ethylenediaminetetramethylenephosphonate
- Saquinavir
- Sarpogrelate
- Saruplase
- Satraplatin
- Saw Palmetto
- Saxagliptin
- Sch 39166
- Sch 39304
- Schisandra
- Sclerosing Solutions
- Scopolamine
- Sea Buckthorn
- Secnidazole
- Secoisolariciresinol
- Secretin
- Secretory Leukocyte Peptidase Inhibitor
- Selective Estrogen Receptor Modulators
- Selegiline
- Selenium
- Selenium Supplement
- Selenomethylselenocysteine
- Semustine
- Senna
- Senna Extract
- Sennoside A&B
- Sensory System Agents
- Seocalcitol
- Serine
- Serine Proteinase Inhibitors
- Serotonin
- Serotonin 5-HT2 Receptor Antagonists
- Serotonin 5-HT3 Receptor Antagonists
- Serotonin 5-HT4 Receptor Agonists
- Serotonin 5-HT4 Receptor Antagonists
- Serotonin Agents
- Serotonin Antagonists
- Serotonin Receptor Agonists
- Serotonin Uptake Inhibitors
- Sertaconazole
- Sertindole
- Sertraline
- Sevelamer
- Sevoflurane
- Shark Cartilage
- Shiga Toxins
- Sibutramine
- Sildenafil
- Silicon
- Silicon phthalocyanine
- Silver Nitrate
- Silver Sulfadiazine
- Silybin
- Silymarin
- Simendan
- Simethicone
- Simvastatin
- Sirolimus
- Sisomicin
- Sitagliptin
- Sitosterol
- Soblidotin
- Sodium arsenite
- Sodium Benzoate
- Sodium Channel Blockers
- Sodium Chloride Symporter Inhibitors
- Sodium Fluoride
- Sodium fluoride topical preparation
- Sodium Hypochlorite
- Sodium Morrhuate
- Sodium Oxybate
- Sodium phosphate
- Sodium Potassium Chloride Symporter Inhibitors
- Sodium Salicylate
- Sodium sulfate
- Sodium Tetradecyl Sulfate
- Sodium thiosulfate
- Somatostatin
- Sorafenib
- Sorbitol
- Sorivudine
- Sotalol
- Soy Bean
- Specific substance maruyama
- Spermatocidal Agents
- Spiradoline
- Spiramycin
- Spirapril
- Spironolactone
- Spirulina
- Squalamine
- SR 46349B
- SR 58611A
- ST 1435
- St. John's Wort
- Staurosporine
- Stavudine
- Stevia
- Stevioside
- Stinging Nettle
- Stiripentol
- Strawberry
- Streptokinase
- Streptomycin
- Streptozocin
- Strontium ranelate
- SU 5416
- Substance P
- Succimer
- Succinylcholine
- Sucralfate
- Sucrose polyester
- Sufentanil
- Sugarcane
- Sulbactam
- Sulfadiazine
- Sulfadoxine
- Sulfadoxine-pyrimethamine
- Sulfalene
- Sulfamethoxazole
- Sulfanilamides
- Sulfasalazine
- Sulforafan
- Sulforaphane
- Sulindac
- Sulindac sulfone
- Sulperazone
- Sulpiride
- Sulprostone
- Sultamicillin
- Sulthiame
- Sultopride
- Sumatriptan
- Sunflower
- Sunitinib
- Sunscreening Agents
- Superoxide Dismutase
- Suramin
- Symbicort
- Sympatholytics
- Synephrine
- Syntometrine