"Histamine Antagonists" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus,
MeSH (Medical Subject Headings)
. Descriptors are arranged in a hierarchical structure,
which enables searching at various levels of specificity.
Drugs that bind to but do not activate histamine receptors, thereby blocking the actions of histamine or histamine agonists. Classical antihistaminics block the histamine H1 receptors only.
Below are MeSH descriptors whose meaning is more general than "Histamine Antagonists".
Below are MeSH descriptors whose meaning is more specific than "Histamine Antagonists".
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