| Eletriptan Mechanism of Action Action Pathway |  | Drug Action | ATP / Eletriptan / Calcium / Magnesium cation / Cyclic adenosine monophosphate / Pyrophosphoric acid |
| Eletriptan Predicted Metabolism Pathway |  | Metabolic | Eletriptan / Mesoheme |
| Elexacaftor Drug Metabolism |  | Metabolic | Elexacaftor |
| Eluxadoline Action Pathway |  | Drug Action | ATP / Calcium / Magnesium cation / Cyclic adenosine monophosphate / Acetylcholine / Pyrophosphoric acid / Eluxadoline |
| Eluxadoline Predicted Metabolism Pathway |  | Metabolic | Mesoheme / Eluxadoline |
| Elvitegravir Action Pathway |  | Drug Action | Elvitegravir |
| Embramine H1-Antihistamine Action |  | Drug Action | Calcium |
| Emedastine H1 Antihistamine Smooth Muscle Relaxation Action Pathway |  | Drug Action | Emedastine / Calcium / Magnesium cation |
| Emedastine H1-Antihistamine Action |  | Drug Action | Emedastine / Calcium |
| Emedastine H1-Antihistamine Blood Vessel Constriction Action Pathway |  | Drug Action | Arginine / Citrulline / Sapropterin / Nitric Oxide / Emedastine / Calcium / Magnesium cation / Mesoheme / Flavin adenine dinucleotide / Flavin mononucleotide |
| Emedastine H1-Antihistamine Immune Response Action Pathway |  | Drug Action | Emedastine / Calcium |
| Emicizumab Action Pathway |  | Drug Action | Calcium / Emicizumab |
| Emtricitabine Action Pathway |  | Drug Action | Emtricitabine |
| Enalapril ACE Inhibitor Action Pathway |  | Drug Action | Glutamic acid / Enalapril / Zinc |
| Enalapril Action Pathway |  | Drug Action | Enalapril / Potassium cation / Zinc |
| Enalapril Metabolism Pathway |  | Drug Metabolism | Enalapril / Zinc |
| Encorafenib Predicted Metabolism Pathway |  | Metabolic | Mesoheme / Encorafenib |
| Enflurane Calcium Channel Cardiac Muscle Relaxation Action Pathway |  | Drug Action | ATP / Enflurane / Epinephrine / Calcium |
| Enfuvirtide Action Pathway |  | Drug Action | Enfuvirtide / Magnesium cation |
| Enoxaparin Action Pathway |  | Drug Action | Ardeparin / Calcium |
| Enoxaparin Prothrombin Anticoagulation Action Pathway |  | Drug Action | Ardeparin / Calcium |
| Enoxaparin. |  | Drug Action | Ardeparin / Phylloquinone / Calcium |
| Enoximone Predicted Metabolism Pathway |  | Metabolic | Mesoheme / Enoximone |
| Enprofylline Drug Metabolism |  | Metabolic | Enprofylline |
| Ensulizole Drug Metabolism |  | Metabolic | Ensulizole |