Sedating antihistamines and asthma

Posted by / 23-Jan-2018 22:50

Histamine is a chemical released from allergic cells in the body (such as mast cells and basophils), usually in response to an allergen like cat dander or pollen.When histamine is released by allergic cells in the nose and eyes, the result is sneezing, runny nose, itchy eyes/nose/throat, nasal congestion, and post-nasal drip. uses cookies to improve performance by remembering your session ID when you navigate from page to page.

Antihistamines block the action of histamine, and histamine-related symptoms include: Other symptoms, including post-nasal drip, cough, and nasal congestion may also be caused by histamine, and therefore can be treated by antihistamines.

First generation antihistamines include brompheniramine, diphenhydramine, carbinoxamine, chlorpheniramine, and clemastine.

These antihistamines all have anticholinergic properties, making sedation one of the major side effects.

Therefore, this article will only discuss the newer antihistamines, as described below.

Newer antihistamines, called second-generation antihistamines include: It's important to note that montelukast (Singulair), is not an antihistamine, but rather an antileukotriene medication.

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Almost everyone has taken an antihistamine to treat hay fever, itching, to relieve nausea and vomiting, in tablets and syrups used to treat cough and cold symptoms, or as an aid to sleep.

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