Nitrosamines can be formed through various chemical processes, including the reaction between nitrites and secondary amines in certain conditions. It is a N-Nitroso of secondary amine present in Pheniramine. Nitrosamines are part of a broader class of compounds known as N-nitroso compounds. Pheniramine is an antihistamine medication used to relieve symptoms associated with allergic reactions, such as sneezing, itching, and runny nose. Structurally, pheniramine is an alkylamine derivative. It functions by blocking histamine receptors, specifically the H1 receptors, thereby inhibiting the effects of histamine, a chemical released during allergic reactions. By antagonizing these receptors, pheniramine helps alleviate symptoms related to histamine release, providing relief from allergic conditions. Pheniramine is commonly found in over-the-counter allergy medications, often in combination with other active ingredients to address various symptoms.
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