Drug Interactions Directory

143 drugs starting with S.

2,618Drugs
67,117Interactions
53,805Serious (major+)
PharmacistReviewed
1Look up a drugSearch by generic or brand name, or browse A-Z.
2Scan the severityInteractions are grouped and color-coded by how much they matter.
3Read the write-upPlain-English and clinical explanations, with cited evidence.

Sources: FDA prescribing information (Structured Product Labeling), the published literature cited in each entry, DDInter 2.0 (a major open-access drug-interaction database), and legacy DrugBank interaction data distributed by the NIH's RxNav service (decommissioned in 2024) — analyzed and reviewed by our pharmacist team. How we build this library →

S
S-Adenosylmethionine 1 Sacituzumab Govitecan-Hziy 3 Sacubitril 12 Safinamide 43 Saiboku-To 5 Salicylamide 16 Salicylic Acid 85 Salmeterol 16 Salmeterol Xinafoate 1 Salsalate 89 Samidorphan 12 Sapropterin 4 Saquinavir 176 Saralasin 2 Sarecycline 38 Sargramostim 37 Sarilumab 11 Sars-Cov-2 (Covid-19) Vaccine, Adenovirus 26 Vector (Janssen) 9 Sars-Cov-2 (Covid-19) Vaccine, Mrna (Moderna) 9 Sars-Cov-2 (Covid-19) Vaccine, Mrna (Pfizer) 9 Sars-Cov-2 (Covid-19) Vaccine, Protein Subunit, Adjuvanted (Novavax) 2 Sars-Cov-2 (Covid-19) Vaccine, Protein Subunit, Adjuvanted (Sanofi) 2 Saxagliptin 47 Schisandra Sphenanthera 17 Schizandra 18 Scopolamine 32 Sea Cucumber 1 Sebetralstat 8 Secnidazole 9 Secobarbital 40 Secretin Human 18 Secukinumab 4 Segesterone 18 Seladelpar 25 Selegiline 48 Selenium 1 Selexipag 41 Selpercatinib 103 Selumetinib 18 Semaglutide 36 Sematilide 17 Senna 1 Sepiapterin 5 Serdexmethylphenidate 1 Sertindole 70 Sertraline 532 Sevabertinib 37 Sevelamer 4 Sevelamer Carbonate 1 Sevelamer Hydrochloride 1 Sevoflurane 77 Sibrafiban 4 Sibutramine 51 Sildenafil 23 Silodosin 10 Silver Sulfadiazine 2 Silymarin 1 Simeprevir 47 Simethicone 1 Simvastatin 168 Siponimod 79 Sirolimus 43 Sirolimus Protein-Bound 4 Sisomicin 1 Sitagliptin 45 Sitaxsentan 2 Skullcap 20 Smallpox Monkeypox Vaccine 204 Sodium Bicarbonate 26 Sodium Ferric Gluconate Complex 1 Sodium Lactate 1 Sodium Oxybate 25 Sodium Phosphate 59 Sodium Phosphate, Dibasic 60 Sodium Phosphate, Monobasic 60 Sodium Polystyrene Sulfonate 4 Sodium Salicylate 85 Sodium Zirconium Cyclosilicate 2 Sofosbuvir 16 Sofpironium 11 Solifenacin 72 Solriamfetol 1 Somapacitan-Beco 4 Somatostatin 1 Somatrogon-Ghla 58 Somatropin 4 Sonidegib 12 Sonrotoclax 8 Sorafenib 75 Sorbitol 1 Sotagliflozin 25 Sotalol 124 Sotorasib 62 Sparfloxacin 92 Sparsentan 87 Sparteine 1 Spectinomycin 3 Spiramycin 17 Spirapril 39 Spironolactone 71 Squill 1 St John's Wort 156 Stanozolol 3 Stavudine 5 Stiripentol 13 Stramonium 10 Streptokinase 21 Streptomycin 19 Strontium Ranelate 15 Succinylcholine 19 Sucralfate 18 Sucroferric Oxyhydroxide 6 Sufentanil 56 Sugammadex 7 Sulbenicillin 1 Sulfacetamide 8 Sulfacytine 3 Sulfadiazine 13 Sulfadoxine 7 Sulfaguanidine 7