Outbound Relationships	Type	Target	Active	Characteristic	Refinability	Group	Values
Histamine dihydrochloride	Is a	Amine and/or amine derivative	true	Inferred relationship	Existential restriction modifier
Histamine dihydrochloride	Is a	Imidazole	true	Inferred relationship	Existential restriction modifier
Histamine dihydrochloride	Is a	Mediator of immune response	true	Inferred relationship	Existential restriction modifier
Histamine dihydrochloride	Has disposition	Immunomodulator	true	Inferred relationship	Existential restriction modifier
Histamine dihydrochloride	Is modification of	Histamine	true	Inferred relationship	Existential restriction modifier
Histamine dihydrochloride	Is a	Histamine	true	Inferred relationship	Existential restriction modifier

Inbound Relationships	Type	Active	Source	Characteristic	Refinability	Group
Generic Positive Control 0.1% Histamine solution for skin prick test	Has specific active ingredient	True	Histamine dihydrochloride	Inferred relationship	Existential restriction modifier
Histamine dihydrochloride 500micrograms/0.5ml solution for injection vials 14 vial	Has specific active ingredient	True	Histamine dihydrochloride	Inferred relationship	Existential restriction modifier
Positive Control 0.1% Histamine solution for skin prick test (Allergopharma) 3 ml	Has specific active ingredient	True	Histamine dihydrochloride	Inferred relationship	Existential restriction modifier
Ceplene 0.5mg/0.5ml solution for injection vials (Meda Pharmaceuticals Ltd)	Has specific active ingredient	True	Histamine dihydrochloride	Inferred relationship	Existential restriction modifier
Histamine dihydrochloride 500micrograms/0.5ml solution for injection vials	Has specific active ingredient	True	Histamine dihydrochloride	Inferred relationship	Existential restriction modifier
Positive Control 0.1% Histamine solution for skin prick test (Allergopharma)	Has specific active ingredient	True	Histamine dihydrochloride	Inferred relationship	Existential restriction modifier
Generic Positive Control 0.1% Histamine solution for skin prick test 3 ml	Has specific active ingredient	True	Histamine dihydrochloride	Inferred relationship	Existential restriction modifier
Ceplene 0.5mg/0.5ml solution for injection vials (Meda Pharmaceuticals Ltd) 14 vial	Has specific active ingredient	True	Histamine dihydrochloride	Inferred relationship	Existential restriction modifier

This concept is not in any reference sets

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Id	Description	Lang	Type	Status	Case?	Module
5035180014	Histamine dihydrochloride (substance)	en	Fully specified name	Active	Entire term case insensitive	SNOMED CT core module
5035181013	Histamine hydrochloride	en	Synonym	Active	Entire term case insensitive	SNOMED CT core module
5035182018	Histamine dihydrochloride	en	Synonym	Active	Entire term case insensitive	SNOMED CT core module