| Tolcapone Predicted Metabolism Pathway |  | Metabolic | Tolcapone / Mesoheme |
| Tolfenamic acid Action Pathway |  | Drug Action | Glutathione / Dinoprostone / Calcium / Mesoheme / Prostaglandin G2 / Arachidonic Acid |
| Tolfenamic acid Predicted Metabolism Pathway |  | Metabolic | Mesoheme / Tolfenamic acid |
| Tolmetin Action Pathway |  | Drug Action | Glutamic acid / Glutathione / Tolmetin / Dinoprostone / Calcium / Magnesium cation / Zinc / Prostaglandin D2 / Mesoheme / Prostaglandin G2 / Arachidonic Acid |
| Tolmetin Action Pathway (New) |  | Drug Action | Glutathione / Tolmetin / Dinoprostone / Calcium / Mesoheme / Prostaglandin G2 / Arachidonic Acid |
| Tolnaftate Action Pathway |  | Drug Action | Tolnaftate / Magnesium cation / Formic acid / Mesoheme / Flavin adenine dinucleotide / Ergosterol / Pyrophosphoric acid / Farnesyl diphosphate |
| Tolnaftate Predicted Metabolism Pathway |  | Metabolic | Tolnaftate / Mesoheme |
| Tolpropamine H1-Antihistamine Action |  | Drug Action | Calcium / Tolpropamine |
| Tolterodine Action Pathway |  | Drug Action | Tolterodine / Calcium / Magnesium cation |
| Topiramate Action Pathway (New) |  | Drug Action | L-Glutamine / Topiramate / Calcium / gamma-Aminobutyric acid |
| Topotecan Action Pathway |  | Drug Action | Topotecan |
| Topotecan Predicted Metabolism Pathway |  | Metabolic | Topotecan / Mesoheme |
| Torasemide Action Pathway (New) |  | Drug Action | Torasemide / Potassium cation |
| Torasemide Predicted Metabolism Pathway |  | Metabolic | Torasemide / Mesoheme |
| Torsemide Action Pathway |  | Drug Action | Cysteine / Torasemide / Potassium cation / Urea |
| Trabectedin Action Pathway |  | Drug Action | Trabectedin |
| Tramadol Action Action Pathway |  | Drug Action | ATP / Tramadol / Norepinephrine / Dopamine / Potassium cation / Calcium |
| Tramadol Metabolism Pathway |  | Drug Metabolism | NADH / ATP / Tramadol / Mesoheme / Uridine-5'-Diphosphate / Formaldehyde |
| Tramadol Opioid Agonist Action Pathway |  | Drug Action | ATP / Tramadol / Calcium / Magnesium cation / Cyclic adenosine monophosphate / gamma-Aminobutyric acid / Pyrophosphoric acid / Sar9, Met (O2)11-Substance P |
| Trandolapril ACE Inhibitor Action Pathway |  | Drug Action | Glutamic acid / Trandolapril / Zinc |
| Trandolapril Action Pathway |  | Drug Action | Trandolapril / Potassium cation / Zinc |
| Trandolapril Metabolism Pathway |  | Drug Metabolism | Trandolapril / Zinc |
| Tranexamic Acid Action Pathway |  | Drug Action | Tranexamic acid / Phylloquinone / Calcium |
| Tranexamic Acid Action Pathway (New) |  | Drug Action | Tranexamic acid / Calcium |
| Transaldolase Deficiency |  | Disease | Adenosine phosphate / ATP / Magnesium cation / Iron / 5-O-phosphono-alpha-D-ribofuranosyl diphosphate / D-glyceraldehyde 3-phosphate / Ribose-1-Phosphate / Ribulose-5-Phosphate / Dihydroxyacetone phosphate / Gluconolactone |