An antihistamine is taken by a patient who suffers allergies. The patient is curious about how the medicine functions. The nurse is aware that antihistamines function as antagonists.
Drugs of the class called antihistamines are used to treat allergies. Sneezing, hives or urticaria, nasal congestion, and other animal and food allergies are the different categories of allergies. Because they counteract the effects of histamine, which is produced by our bodies, these medications are known as antihistamines. They operate as antagonist medications because they bind to receptors to stop them from being activated by histamine. Antagonist drugs are the drugs that halt the action or the effect of another drug.
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