| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Product containing nizatidine (medicinal product) | Is a | True | Product containing histamine H2 receptor antagonist (product) | Inferred relationship | Some |  | 
| Product containing famotidine (medicinal product) | Is a | True | Product containing histamine H2 receptor antagonist (product) | Inferred relationship | Some |  | 
| Product containing ranitidine (medicinal product) | Is a | True | Product containing histamine H2 receptor antagonist (product) | Inferred relationship | Some |  | 
| Product containing cimetidine (medicinal product) | Is a | True | Product containing histamine H2 receptor antagonist (product) | Inferred relationship | Some |  | 
| Bismuth compound poisoning | Causative agent | False | Product containing histamine H2 receptor antagonist (product) | Inferred relationship | Some |  | 
| Poisoning by histamine H2-receptor antagonists | Causative agent | False | Product containing histamine H2 receptor antagonist (product) | Inferred relationship | Some |  | 
| Accidental bismuth compound poisoning | Causative agent | False | Product containing histamine H2 receptor antagonist (product) | Inferred relationship | Some |  | 
| Intentional bismuth compound poisoning | Causative agent | False | Product containing histamine H2 receptor antagonist (product) | Inferred relationship | Some |  | 
| förgiftning orsakad av vismutförening, med oklar avsikt | Causative agent | False | Product containing histamine H2 receptor antagonist (product) | Inferred relationship | Some |  | 
| Sucralfate poisoning | Causative agent | False | Product containing histamine H2 receptor antagonist (product) | Inferred relationship | Some |  | 
| Accidental sucralfate poisoning | Causative agent | False | Product containing histamine H2 receptor antagonist (product) | Inferred relationship | Some |  | 
| Intentional sucralfate poisoning | Causative agent | False | Product containing histamine H2 receptor antagonist (product) | Inferred relationship | Some |  | 
| sukralfatförgiftning, med oklar avsikt | Causative agent | False | Product containing histamine H2 receptor antagonist (product) | Inferred relationship | Some |  | 
| Misoprostol poisoning | Causative agent | False | Product containing histamine H2 receptor antagonist (product) | Inferred relationship | Some |  | 
| Accidental misoprostol poisoning | Causative agent | False | Product containing histamine H2 receptor antagonist (product) | Inferred relationship | Some |  | 
| Intentional misoprostol poisoning | Causative agent | False | Product containing histamine H2 receptor antagonist (product) | Inferred relationship | Some |  | 
| misoprostolförgiftning, med oklar avsikt | Causative agent | False | Product containing histamine H2 receptor antagonist (product) | Inferred relationship | Some |  | 
| Proton pump inhibitor poisoning | Causative agent | False | Product containing histamine H2 receptor antagonist (product) | Inferred relationship | Some |  | 
| Omeprazole poisoning | Causative agent | False | Product containing histamine H2 receptor antagonist (product) | Inferred relationship | Some |  | 
| Accidental omeprazole poisoning | Causative agent | False | Product containing histamine H2 receptor antagonist (product) | Inferred relationship | Some |  | 
| Intentional omeprazole poisoning | Causative agent | False | Product containing histamine H2 receptor antagonist (product) | Inferred relationship | Some |  | 
| omeprazolförgiftning, med oklar avsikt | Causative agent | False | Product containing histamine H2 receptor antagonist (product) | Inferred relationship | Some |  | 
| Lansoprazole poisoning | Causative agent | False | Product containing histamine H2 receptor antagonist (product) | Inferred relationship | Some |  | 
| Accidental lansoprazole poisoning | Causative agent | False | Product containing histamine H2 receptor antagonist (product) | Inferred relationship | Some |  | 
| Intentional lansoprazole poisoning | Causative agent | False | Product containing histamine H2 receptor antagonist (product) | Inferred relationship | Some |  | 
| lansoprazolförgiftning, med oklar avsikt | Causative agent | False | Product containing histamine H2 receptor antagonist (product) | Inferred relationship | Some |  | 
| Carbenoxolone poisoning | Causative agent | False | Product containing histamine H2 receptor antagonist (product) | Inferred relationship | Some |  | 
| Accidental carbenoxolone poisoning | Causative agent | False | Product containing histamine H2 receptor antagonist (product) | Inferred relationship | Some |  | 
| Intentional carbenoxolone poisoning | Causative agent | False | Product containing histamine H2 receptor antagonist (product) | Inferred relationship | Some |  | 
| förgiftning orsakad av karbenoxolon, med oklar avsikt | Causative agent | False | Product containing histamine H2 receptor antagonist (product) | Inferred relationship | Some |  | 
| Pirenzepine poisoning | Causative agent | False | Product containing histamine H2 receptor antagonist (product) | Inferred relationship | Some |  | 
| Accidental pirenzepine poisoning | Causative agent | False | Product containing histamine H2 receptor antagonist (product) | Inferred relationship | Some |  | 
| Intentional pirenzepine poisoning | Causative agent | False | Product containing histamine H2 receptor antagonist (product) | Inferred relationship | Some |  | 
| pirenzepinförgiftning, med oklar avsikt | Causative agent | False | Product containing histamine H2 receptor antagonist (product) | Inferred relationship | Some |  | 
| Accidental aluminum hydroxide poisoning | Causative agent | False | Product containing histamine H2 receptor antagonist (product) | Inferred relationship | Some |  | 
| Intentional aluminium hydroxide poisoning | Causative agent | False | Product containing histamine H2 receptor antagonist (product) | Inferred relationship | Some |  | 
| förgiftning orsakad av aluminiumhydroxid, med oklar avsikt | Causative agent | False | Product containing histamine H2 receptor antagonist (product) | Inferred relationship | Some |  | 
| Accidental magnesium trisilicate poisoning | Causative agent | False | Product containing histamine H2 receptor antagonist (product) | Inferred relationship | Some |  | 
| Intentional magnesium trisilicate poisoning | Causative agent | False | Product containing histamine H2 receptor antagonist (product) | Inferred relationship | Some |  | 
| H2 receptor antagonist adverse reaction | Causative agent | False | Product containing histamine H2 receptor antagonist (product) | Inferred relationship | Some |  | 
| Allergy to histamine H2 receptor antagonist | Causative agent | False | Product containing histamine H2 receptor antagonist (product) | Inferred relationship | Some |  | 
| Overdose of histamine H2-receptor antagonists | Causative agent | False | Product containing histamine H2 receptor antagonist (product) | Inferred relationship | Some |  | 
| Intentional overdose of H2 antagonist | Causative agent | False | Product containing histamine H2 receptor antagonist (product) | Inferred relationship | Some |  | 
| överdos av H2-antagonister, med oklar avsikt | Causative agent | False | Product containing histamine H2 receptor antagonist (product) | Inferred relationship | Some |  | 
| Poisoning by magnesium trisilicate | Causative agent | False | Product containing histamine H2 receptor antagonist (product) | Inferred relationship | Some |  | 
| Poisoning by aluminum hydroxide | Causative agent | False | Product containing histamine H2 receptor antagonist (product) | Inferred relationship | Some |  | 
| förgiftning orsakad av antacidum och/eller sekretionshämmande medel | Causative agent | False | Product containing histamine H2 receptor antagonist (product) | Inferred relationship | Some |  | 
| Accidental overdose of H2 antagonist | Causative agent | False | Product containing histamine H2 receptor antagonist (product) | Inferred relationship | Some |  | 
| Antacid drug poisoning NOS | Causative agent | False | Product containing histamine H2 receptor antagonist (product) | Inferred relationship | Some |  | 
| [X]Poisoning by other antacids and anti-gastric-secretion drugs | Causative agent | False | Product containing histamine H2 receptor antagonist (product) | Inferred relationship | Some |  | 
| famotidin 400 mikrogram/ml, injektionsvätska, lösning, flaska 50 ml | Is a | False | Product containing histamine H2 receptor antagonist (product) | Inferred relationship | Some |  | 
| Famotidine 8 mg/mL oral suspension | Is a | False | Product containing histamine H2 receptor antagonist (product) | Inferred relationship | Some |  | 
| famotidin 10 mg/ml, injektionsvätska, lösning, ampull | Is a | False | Product containing histamine H2 receptor antagonist (product) | Inferred relationship | Some |  | 
| Famotidine 20mg/50mL injection | Is a | False | Product containing histamine H2 receptor antagonist (product) | Inferred relationship | Some |  | 
| Famotidine 20mg/2mL injection | Is a | False | Product containing histamine H2 receptor antagonist (product) | Inferred relationship | Some |  | 
| Product containing precisely ranitidine (as ranitidine hydrochloride) 150 milligram/1 each conventional release effervescent oral tablet (clinical drug) | Is a | False | Product containing histamine H2 receptor antagonist (product) | Inferred relationship | Some |  | 
| Ranitidine (as ranitidine hydrochloride) 300 mg effervescent oral tablet | Is a | False | Product containing histamine H2 receptor antagonist (product) | Inferred relationship | Some |  | 
| Product containing precisely ranitidine (as ranitidine hydrochloride) 150 milligram/1 each conventional release oral tablet (clinical drug) | Is a | False | Product containing histamine H2 receptor antagonist (product) | Inferred relationship | Some |  | 
| Product containing precisely ranitidine (as ranitidine hydrochloride) 300 milligram/1 each conventional release oral tablet (clinical drug) | Is a | False | Product containing histamine H2 receptor antagonist (product) | Inferred relationship | Some |  | 
| Ranitidine (as ranitidine hydrochloride) 75 mg oral tablet | Is a | False | Product containing histamine H2 receptor antagonist (product) | Inferred relationship | Some |  | 
| Product containing precisely ranitidine (as ranitidine hydrochloride) 15 milligram/1 milliliter conventional release oral solution (clinical drug) | Is a | False | Product containing histamine H2 receptor antagonist (product) | Inferred relationship | Some |  | 
| ranitidin (som ranitidinhydroklorid) 50 mg/2 ml, injektionsvätska, lösning, ampull | Is a | False | Product containing histamine H2 receptor antagonist (product) | Inferred relationship | Some |  |