Non sedating antihistamine drug list Chatxxx

The newer, second-generation (ie, nonsedating) antihistamines are usually preferable to avoid sedation and other adverse effects associated with the older, first-generation antihistamines.

Ocular antihistamine drops (for eye symptoms), intranasal antihistamine sprays, intranasal cromolyn, intranasal anticholinergic sprays, and short courses of oral corticosteroids (reserved for severe, acute episodes only) may also provide relief.

Regular use of an intranasal steroid spray may be more appropriate for patients with chronic symptoms.

Daily use of an antihistamine, decongestant, or both can be considered either instead of or in addition to nasal steroids.

We attempt to clarify the differences among these drugs by providing side-by-side comparisons of some of the best antihistamines available (below). Simply put, it is a medication that relieves allergy symptoms by blocking histamine, the chemical “culprit” that causes many symptoms.

They compete with histamine for histamine receptor type 1 (H1) receptor sites in the blood vessels, GI tract, and respiratory tract, which, in turn, inhibits physiologic effects that histamine normally induces at the H1 receptor sites.It should be placed behind the ear on the mastoid on a clean, hairless area.Many antihistamines are also commonly taken for motion sickness.The original, first generation antihistamines have drawbacks that include being short-acting, making it difficult to concentrate, and drowsiness.The major side effect of this allergy medication is drowsiness.

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Less common adverse effects include palpitations, urinary retention, bloating, constipation, headache, and confusion.

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