| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Nalmefene | Is a | False | Product containing opioid receptor antagonist (product) | Inferred relationship | Some |  | 
| 6-beta-naltrexol (substance) | Is a | False | Product containing opioid receptor antagonist (product) | Inferred relationship | Some |  | 
| Levallorphan | Is a | False | Product containing opioid receptor antagonist (product) | Inferred relationship | Some |  | 
| Diprenorphine | Is a | False | Product containing opioid receptor antagonist (product) | Inferred relationship | Some |  | 
| Product containing nalorphine (medicinal product) | Is a | True | Product containing opioid receptor antagonist (product) | Inferred relationship | Some |  | 
| Product containing naltrexone (medicinal product) | Is a | True | Product containing opioid receptor antagonist (product) | Inferred relationship | Some |  | 
| Product containing naloxone (medicinal product) | Is a | True | Product containing opioid receptor antagonist (product) | Inferred relationship | Some |  | 
| Opioid antagonist adverse reaction | Causative agent | False | Product containing opioid receptor antagonist (product) | Inferred relationship | Some |  | 
| Allergy to opioid receptor antagonist (finding) | Causative agent | False | Product containing opioid receptor antagonist (product) | Inferred relationship | Some |  | 
| Opiate antagonist overdose (disorder) | Causative agent | False | Product containing opioid receptor antagonist (product) | Inferred relationship | Some |  | 
| Poisoning by opiate antagonist | Causative agent | False | Product containing opioid receptor antagonist (product) | Inferred relationship | Some |  | 
| nalmefenhydroklorid 1 mg/ml, injektionsvätska, lösning, ampull | Is a | False | Product containing opioid receptor antagonist (product) | Inferred relationship | Some |  | 
| nalmefenhydroklorid 100 mikrogram/ml, injektionsvätska, lösning, ampull | Is a | False | Product containing opioid receptor antagonist (product) | Inferred relationship | Some |  | 
| Accidental levallorphan poisoning | Causative agent | False | Product containing opioid receptor antagonist (product) | Inferred relationship | Some |  | 
| Intentional levallorphan poisoning | Causative agent | False | Product containing opioid receptor antagonist (product) | Inferred relationship | Some |  | 
| levallorfanförgiftning, med oklar avsikt | Causative agent | False | Product containing opioid receptor antagonist (product) | Inferred relationship | Some |  | 
| Poisoning by levallorphan | Causative agent | False | Product containing opioid receptor antagonist (product) | Inferred relationship | Some |  | 
| nalmefenhydroklorid | Is a | False | Product containing opioid receptor antagonist (product) | Inferred relationship | Some |  | 
| Product containing naloxegol (medicinal product) | Is a | True | Product containing opioid receptor antagonist (product) | Inferred relationship | Some |  | 
| Product containing nalmefene (medicinal product) | Is a | True | Product containing opioid receptor antagonist (product) | Inferred relationship | Some |  | 
| Product containing naldemedine (medicinal product) | Is a | True | Product containing opioid receptor antagonist (product) | Inferred relationship | Some |  | 
| Naltrexone hydrochloride 50 mg oral tablet | Is a | False | Product containing opioid receptor antagonist (product) | Inferred relationship | Some |  | 
| Product containing precisely naloxone hydrochloride 500 microgram and pentazocine hydrochloride 50 milligram/1 each conventional release oral tablet (clinical drug) | Is a | False | Product containing opioid receptor antagonist (product) | Inferred relationship | Some |  | 
| Naltrexone hydrochloride 25 mg oral tablet | Is a | False | Product containing opioid receptor antagonist (product) | Inferred relationship | Some |  | 
| Naltrexone hydrochloride 100 mg oral tablet | Is a | False | Product containing opioid receptor antagonist (product) | Inferred relationship | Some |  | 
| naloxonhydroklorid 40 mikrogram/2 ml, injektionsvätska, lösning, ampull | Is a | False | Product containing opioid receptor antagonist (product) | Inferred relationship | Some |  | 
| naloxonhydroklorid 400 mikrogram/ml, injektionsvätska, lösning, spruta | Is a | False | Product containing opioid receptor antagonist (product) | Inferred relationship | Some |  | 
| naloxonhydroklorid 800 mikrogram/2 ml, injektionsvätska, lösning, spruta | Is a | False | Product containing opioid receptor antagonist (product) | Inferred relationship | Some |  |