| Promazine H1 Antihistamine Smooth Muscle Relaxation Action Pathway |  | Drug Action | Promazine / Calcium / Magnesium cation |
| Promazine H1-Antihistamine Blood Vessel Constriction Action Pathway |  | Drug Action | Arginine / Citrulline / Sapropterin / Promazine / Nitric Oxide / Calcium / Magnesium cation / Mesoheme / Flavin adenine dinucleotide / Flavin mononucleotide |
| Promazine H1-Antihistamine Immune Response Action Pathway |  | Drug Action | Promazine / Calcium |
| Promazine Mechanism of Action Action Pathway |  | Drug Action | Pyridoxal phosphate / Tyrosine / Sapropterin / Promazine / Dopamine / Levodopa / Calcium / Iron |
| Promethazine H1 Antihistamine Neurological Sleep Action Pathway |  | Drug Action | Pyridoxal phosphate / Histidine / Promethazine / Calcium |
| Promethazine H1 Antihistamine Smooth Muscle Relaxation Action Pathway |  | Drug Action | Promethazine / Calcium / Magnesium cation |
| Promethazine H1-Antihistamine Action |  | Drug Action | Promethazine / Calcium |
| Promethazine H1-Antihistamine Blood Vessel Constriction Action Pathway |  | Drug Action | Arginine / Citrulline / Sapropterin / Nitric Oxide / Promethazine / Calcium / Magnesium cation / Mesoheme / Flavin adenine dinucleotide / Flavin mononucleotide |
| Promethazine H1-Antihistamine Immune Response Action Pathway |  | Drug Action | Promethazine / Calcium |
| Propafenone Action Pathway |  | Drug Action | Propafenone / Potassium cation / Calcium / Cyclic adenosine monophosphate |
| Propanoate Metabolism |  | Metabolic | Pyridoxal phosphate / Biotin / Adenosine phosphate / Glutamic acid / NADH / Valine / ATP / Oxogluric acid / beta-Alanine / Flavin adenine dinucleotide / Hydracrylic acid / Propanoic acid / Pyrophosphoric acid / Methylmalonic Acid / Citric acid / Malonyl-CoA / 2-Oxobutanoic Acid |
| Propantheline Action Pathway |  | Drug Action | Propantheline / Calcium / Magnesium cation / Acetylcholine |
| Propantheline Predicted Metabolism Pathway |  | Metabolic | Propantheline / Mesoheme |
| Proparacaine Action Pathway |  | Drug Action | ATP / Norepinephrine / Proparacaine / Dopamine / Potassium cation / Calcium |
| Propiomazine H1 Antihistamine Neurological Sleep Action Pathway |  | Drug Action | Pyridoxal phosphate / Histidine / Propiomazine / Calcium |
| Propiomazine H1 Antihistamine Smooth Muscle Relaxation Action Pathway |  | Drug Action | Propiomazine / Calcium / Magnesium cation |
| Propiomazine H1-Antihistamine Action |  | Drug Action | Propiomazine / Calcium |
| Propiomazine H1-Antihistamine Blood Vessel Constriction Action Pathway |  | Drug Action | Arginine / Citrulline / Sapropterin / Nitric Oxide / Propiomazine / Calcium / Magnesium cation / Mesoheme / Flavin adenine dinucleotide / Flavin mononucleotide |
| Propiomazine H1-Antihistamine Immune Response Action Pathway |  | Drug Action | Propiomazine / Calcium |
| Propionic Acidemia |  | Disease | Pyridoxal phosphate / Biotin / Succinic acid / Glutamic acid / Pyridoxal / Leucine / NADH / Valine / Isoleucine / ATP / Acetoacetic acid / Oxogluric acid / Flavin adenine dinucleotide / alpha-Ketoisocaproic acid / alpha-Ketoisovalerate / Methylmalonic Acid |
| Propionic Acidemia |  | Disease | Pyridoxal phosphate / Biotin / Succinic acid / Glutamic acid / Pyridoxal / Leucine / NADH / Valine / Isoleucine / ATP / Acetoacetic acid / Oxogluric acid / Flavin adenine dinucleotide / alpha-Ketoisocaproic acid / alpha-Ketoisovalerate / Methylmalonic Acid |
| Propiverine Action Pathway |  | Drug Action | ATP / Potassium cation / Calcium / Magnesium cation / Cyclic adenosine monophosphate |
| Propofol Action Pathway |  | Drug Action | Propofol / gamma-Aminobutyric acid |
| Propofol Metabolism |  | Metabolic | Propofol / Mesoheme |
| Propoxyphene Action Pathway |  | Drug Action | ATP / Norepinephrine / Dextropropoxyphene / Dopamine / Potassium cation / Calcium |