"Histamine H1 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 selectively bind to but do not activate histamine H1 receptors, thereby blocking the actions of endogenous histamine. Included here are the classical antihistaminics that antagonize or prevent the action of histamine mainly in immediate hypersensitivity. They act in the bronchi, capillaries, and some other smooth muscles, and are used to prevent or allay motion sickness, seasonal rhinitis, and allergic dermatitis and to induce somnolence. The effects of blocking central nervous system H1 receptors are not as well understood.
|Histamine H1 Antagonists
- Histamine H1 Antagonists
- H1 Antagonists, Histamine
- Antagonists, Histamine H1 Receptor
- Antihistaminics, H1
- H1 Antihistaminics
- Receptor Blockaders, H1
- H1 Receptor Blockaders
- Histamine H1 Blockers
- Histamine H1 Receptor Antagonists
- Histamine H1 Receptor Blockaders
- Antagonists, Histamine H1
- Blockaders, Histamine H1 Receptor
- Antihistamines, Classical
- Classical Antihistamines
- Antihistaminics, Classical
- Classical Antihistaminics
- First Generation H1 Antagonists
- Antihistamines, Sedating
- Sedating Antihistamines
Below are MeSH descriptors whose meaning is more general than "Histamine H1 Antagonists".
Below are MeSH descriptors whose meaning is more specific than "Histamine H1 Antagonists".
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