Status: current, Sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Jul 2018. Module: SNOMED CT core
Descriptions:
| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| Product containing piperazine derivative and histamine receptor antagonist (product) | Is a | piperazin | false | Inferred relationship | Some | ||
| Product containing piperazine derivative and histamine receptor antagonist (product) | Is a | Product containing histamine receptor antagonist (product) | true | Inferred relationship | Some | ||
| Product containing piperazine derivative and histamine receptor antagonist (product) | Has active ingredient | antiallergikum | false | Inferred relationship | Some | ||
| Product containing piperazine derivative and histamine receptor antagonist (product) | Has active ingredient | Piperazine derivative antihistamine | true | Inferred relationship | Some | 1 | |
| Product containing piperazine derivative and histamine receptor antagonist (product) | Has active ingredient | Histamine receptor antagonist | false | Inferred relationship | Some | ||
| Product containing piperazine derivative and histamine receptor antagonist (product) | Is a | Product containing piperazine derivative (product) | true | Inferred relationship | Some | 
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Chlorcyclizine | Is a | False | Product containing piperazine derivative and histamine receptor antagonist (product) | Inferred relationship | Some | |
| Product containing buclizine (medicinal product) | Is a | False | Product containing piperazine derivative and histamine receptor antagonist (product) | Inferred relationship | Some | |
| Product containing hydroxyzine (medicinal product) | Is a | True | Product containing piperazine derivative and histamine receptor antagonist (product) | Inferred relationship | Some | |
| Product containing meclozine (medicinal product) | Is a | True | Product containing piperazine derivative and histamine receptor antagonist (product) | Inferred relationship | Some | |
| Product containing cyclizine (medicinal product) | Is a | True | Product containing piperazine derivative and histamine receptor antagonist (product) | Inferred relationship | Some | |
| piperazinförgiftning | Causative agent | False | Product containing piperazine derivative and histamine receptor antagonist (product) | Inferred relationship | Some | |
| oavsiktlig piperazinförgiftning | Causative agent | False | Product containing piperazine derivative and histamine receptor antagonist (product) | Inferred relationship | Some | |
| avsiktlig piperazinförgiftning | Causative agent | False | Product containing piperazine derivative and histamine receptor antagonist (product) | Inferred relationship | Some | |
| piperazinförgiftning, med oklar avsikt | Causative agent | False | Product containing piperazine derivative and histamine receptor antagonist (product) | Inferred relationship | Some | |
| Product containing cinnarizine (medicinal product) | Is a | True | Product containing piperazine derivative and histamine receptor antagonist (product) | Inferred relationship | Some | |
| Flunarizine-containing product | Is a | True | Product containing piperazine derivative and histamine receptor antagonist (product) | Inferred relationship | Some | |
| Hydroxyzine hydrochloride 10 mg oral tablet | Is a | False | Product containing piperazine derivative and histamine receptor antagonist (product) | Inferred relationship | Some | |
| Hydroxyzine hydrochloride 25 mg oral tablet | Is a | False | Product containing piperazine derivative and histamine receptor antagonist (product) | Inferred relationship | Some | |
| Meclozine hydrochloride 12.5 mg oral tablet | Is a | False | Product containing piperazine derivative and histamine receptor antagonist (product) | Inferred relationship | Some | |
| Meclozine hydrochloride 25 mg oral tablet | Is a | False | Product containing piperazine derivative and histamine receptor antagonist (product) | Inferred relationship | Some | |
| Meclozine hydrochloride 50 mg oral tablet | Is a | False | Product containing piperazine derivative and histamine receptor antagonist (product) | Inferred relationship | Some | |
| Hydroxyzine hydrochloride 50 mg oral tablet | Is a | False | Product containing piperazine derivative and histamine receptor antagonist (product) | Inferred relationship | Some | |
| Hydroxyzine hydrochloride 100 mg oral tablet | Is a | False | Product containing piperazine derivative and histamine receptor antagonist (product) | Inferred relationship | Some | |
| hydroxizinpamoat 25 milligram, oral tablett | Is a | False | Product containing piperazine derivative and histamine receptor antagonist (product) | Inferred relationship | Some | |
| hydroxizinpamoat 50 milligram, oral tablett | Is a | False | Product containing piperazine derivative and histamine receptor antagonist (product) | Inferred relationship | Some | |
| Hydroxyzine pamoate 25 mg oral capsule | Is a | False | Product containing piperazine derivative and histamine receptor antagonist (product) | Inferred relationship | Some | |
| Product containing precisely hydroxyzine pamoate 50 milligram/1 each conventional release oral capsule (clinical drug) | Is a | False | Product containing piperazine derivative and histamine receptor antagonist (product) | Inferred relationship | Some | |
| Product containing precisely hydroxyzine pamoate 100 milligram/1 each conventional release oral capsule (clinical drug) | Is a | False | Product containing piperazine derivative and histamine receptor antagonist (product) | Inferred relationship | Some | |
| Meclozine hydrochloride 30 mg oral tablet | Is a | False | Product containing piperazine derivative and histamine receptor antagonist (product) | Inferred relationship | Some | |
| Product containing precisely hydroxyzine hydrochloride 2 milligram/1 milliliter conventional release oral solution (clinical drug) | Is a | False | Product containing piperazine derivative and histamine receptor antagonist (product) | Inferred relationship | Some | 
This concept is not in any reference sets