| Diltiazem Predicted Metabolism Pathway |  | Metabolic | Diltiazem / Mesoheme |
| Dimenhydrinate H1 Antihistamine Smooth Muscle Relaxation Action Pathway |  | Drug Action | Dimenhydrinate / Calcium / Magnesium cation |
| Dimenhydrinate H1-Antihistamine Blood Vessel Constriction Action Pathway |  | Drug Action | Arginine / Citrulline / Sapropterin / Nitric Oxide / Dimenhydrinate / Calcium / Magnesium cation / Mesoheme / Flavin adenine dinucleotide / Flavin mononucleotide |
| Dimenhydrinate H1-Antihistamine Immune Response Action Pathway |  | Drug Action | Dimenhydrinate / Calcium |
| Dimethylglycine Dehydrogenase Deficiency |  | Disease | Pyridoxal phosphate / Tetrahydrofolic acid / Ademetionine / Pyruvic acid / Arginine / Adenosine phosphate / Serine / Methionine / Glutamic acid / Glycine / Creatine / Cysteine / NADH / Alanine / ATP / Aminolevulinic acid / Magnesium cation / Zinc / N,N-dimethylglycine / Glycocyamine / Oxogluric acid / 3-Hydroxypyruvic Acid / Orotidylic acid / Flavin adenine dinucleotide / Pyruvaldehyde / Formaldehyde / 2-Amino-3-Ketobutyric Acid / D-Serine / Pyrophosphoric acid / Glyoxylic acid / Dexfosfoserine / 2-Oxobutanoic Acid |
| Dimethylglycine Dehydrogenase Deficiency |  | Disease | Pyridoxal phosphate / Tetrahydrofolic acid / Ademetionine / Pyruvic acid / Arginine / Adenosine phosphate / Serine / Methionine / Glutamic acid / Glycine / Creatine / Cysteine / NADH / Alanine / ATP / Aminolevulinic acid / Magnesium cation / Zinc / N,N-dimethylglycine / Glycocyamine / Oxogluric acid / 3-Hydroxypyruvic Acid / Orotidylic acid / Flavin adenine dinucleotide / Pyruvaldehyde / Formaldehyde / 2-Amino-3-Ketobutyric Acid / D-Serine / Pyrophosphoric acid / Glyoxylic acid / Dexfosfoserine / 2-Oxobutanoic Acid |
| Dimethylglycine Dehydrogenase Deficiency |  | Disease | Pyridoxal phosphate / Tetrahydrofolic acid / Ademetionine / Pyruvic acid / Arginine / Adenosine phosphate / Serine / Methionine / Glutamic acid / Glycine / Creatine / Cysteine / NADH / Alanine / ATP / Aminolevulinic acid / Magnesium cation / Zinc / N,N-dimethylglycine / Glycocyamine / Oxogluric acid / 3-Hydroxypyruvic Acid / Orotidylic acid / Flavin adenine dinucleotide / Pyruvaldehyde / Formaldehyde / 2-Amino-3-Ketobutyric Acid / D-Serine / Pyrophosphoric acid / Glyoxylic acid / Dexfosfoserine / 2-Oxobutanoic Acid |
| Dimethylthiambutene Action Pathway |  | Drug Action | ATP / Norepinephrine / Dopamine / Potassium cation / Calcium / Dimethylthiambutene |
| Dimetindene H1 Antihistamine Smooth Muscle Relaxation Action Pathway |  | Drug Action | Calcium / Magnesium cation / Dimetindene |
| Dimetindene H1-Antihistamine Action |  | Drug Action | Calcium / Dimetindene |
| Dimetindene H1-Antihistamine Blood Vessel Constriction Action Pathway |  | Drug Action | Arginine / Citrulline / Sapropterin / Nitric Oxide / Calcium / Magnesium cation / Mesoheme / Flavin adenine dinucleotide / Flavin mononucleotide / Dimetindene |
| Dimetindene H1-Antihistamine Immune Response Action Pathway |  | Drug Action | Calcium / Dimetindene |
| Dimetotiazine Drug Metabolism |  | Metabolic | Dimetotiazine |
| Dimetotiazine H1 Antihistamine Smooth Muscle Relaxation Action Pathway |  | Drug Action | Calcium / Magnesium cation / Dimetotiazine |
| Dimetotiazine H1-Antihistamine Blood Vessel Constriction Action Pathway |  | Drug Action | Arginine / Citrulline / Sapropterin / Nitric Oxide / Calcium / Magnesium cation / Mesoheme / Flavin adenine dinucleotide / Flavin mononucleotide / Dimetotiazine |
| Dimetotiazine H1-Antihistamine Immune Response Action Pathway |  | Drug Action | Calcium / Dimetotiazine |
| Dinoprost tromethamine Action Pathway |  | Drug Action | ATP / Dinoprost tromethamine / Potassium cation / Magnesium cation / Zinc / Cyclic adenosine monophosphate / Pyrophosphoric acid |
| Dinoprost tromethamine Drug Metabolism |  | Metabolic | Dinoprost tromethamine |
| Dinoprostone Action Pathway |  | Drug Action | Dinoprostone / Calcium / Magnesium cation / Cyclic adenosine monophosphate |
| Dipentamethylenethiuram disulfide Drug Metabolism |  | Metabolic | Dipentamethylenethiuram disulfide |
| Diphemanil Drug Metabolism Pathway |  | Metabolic | Diphemanil |
| Diphenhydramine H1 Antihistamine Neurological Sleep Action Pathway |  | Drug Action | Pyridoxal phosphate / Histidine / Diphenhydramine / Calcium |
| Diphenhydramine H1 Antihistamine Smooth Muscle Relaxation Action Pathway |  | Drug Action | Diphenhydramine / Calcium / Magnesium cation |
| Diphenhydramine H1-Antihistamine Action |  | Drug Action | Diphenhydramine / Calcium |
| Diphenhydramine H1-Antihistamine Blood Vessel Constriction Action Pathway |  | Drug Action | Arginine / Citrulline / Sapropterin / Nitric Oxide / Diphenhydramine / Calcium / Magnesium cation / Mesoheme / Flavin adenine dinucleotide / Flavin mononucleotide |