antihistamine
Medical term Basic Pharmacology
A drug that blocks histamine (H1) receptors to relieve allergy symptoms.
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Related terms
- absorptionMovement of a drug from where it is given into the bloodstream.
- adverse drug reactionA harmful, unintended response to a drug at normal doses.
- allergic reactionAn immune system response to a drug or other substance.
- analgesicA drug that relieves pain.
- antipyreticA drug that reduces fever.
- brand nameThe trade name a company gives its drug product; also called the trade name.
- bronchodilatorA drug that relaxes airway muscles and widens the airways.
- buccalPlaced between the cheek and gum to dissolve.