| Pirtobrutinib Drug Metabolism |  | Metabolic | Pirtobrutinib |
| Pitavastatin Action Pathway |  | Drug Action | Calcium / Zinc / Cholesterol / Pitavastatin |
| Pixantrone Predicted Metabolism Pathway |  | Metabolic | Mesoheme / Pixantrone |
| Plasmalogen Synthesis |  | Metabolic | Magnesium cation / Flavin adenine dinucleotide / Stearic acid / Dihydroxyacetone phosphate |
| Plasminogen |  | Physiological | Calcium |
| Plazomicin Action Pathway |  | Drug Action | Plazomicin |
| Plazomicin Predicted Metabolism Pathway |  | Metabolic | Mesoheme / Plazomicin |
| Plerixafor Drug Metabolism |  | Metabolic | Plerixafor |
| Podofilox Action Pathway |  | Drug Action | Podofilox / Magnesium cation |
| Podofilox Action Pathway (New) |  | Drug Action | Podofilox / Magnesium cation |
| Polidocanol Drug Metabolism |  | Metabolic | Polidocanol |
| Polythiazide Action Pathway |  | Drug Action | Cysteine / Polythiazide / Potassium cation / Urea |
| Polythiazide Diuretic Action Pathway |  | Drug Action | Polythiazide / Potassium cation / Calcium |
| Polythiazide Drug Metabolism |  | Metabolic | Polythiazide |
| Ponatinib Inhibition of BCR-ABL New |  | Drug Action | Ponatinib |
| Ponesimod Predicted Metabolism Pathway |  | Metabolic | Mesoheme / Ponesimod |
| Porphyria Variegata (PV) |  | Disease | Pyridoxal phosphate / Glycine / NADH / Aminolevulinic acid / Iron / Zinc / Protoporphyrin / Mesoheme / Flavin adenine dinucleotide / Uridine-5'-Diphosphate / Coproporphyrinogen III / Farnesyl diphosphate |
| Porphyria Variegata (PV) |  | Disease | Pyridoxal phosphate / Glycine / NADH / Aminolevulinic acid / Iron / Zinc / Protoporphyrin / Mesoheme / Flavin adenine dinucleotide / Uridine-5'-Diphosphate / Coproporphyrinogen III / Farnesyl diphosphate |
| Porphyrin Metabolism |  | Metabolic | Pyridoxal phosphate / Glycine / NADH / Aminolevulinic acid / Iron / Zinc / Protoporphyrin / Mesoheme / Flavin adenine dinucleotide / Uridine-5'-Diphosphate / Coproporphyrinogen III / Farnesyl diphosphate |
| Posaconazole Action Pathway |  | Drug Action | Posaconazole / Formic acid / Mesoheme / Ergosterol |
| Potassium acetate Drug Metabolism |  | Metabolic | Potassium acetate |
| Potassium aspartate Drug Metabolism |  | Metabolic | Potassium aspartate |
| Potassium bicarbonate Drug Metabolism |  | Metabolic | Potassium bicarbonate |
| Potassium carbonate Drug Metabolism |  | Metabolic | Potassium carbonate |
| Potassium citrate Drug Metabolism |  | Metabolic | Potassium citrate |