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  2. Fexofenadine - Wikipedia

    en.wikipedia.org/wiki/Fexofenadine

    Fexofenadine, sold under the brand name Allegra among others, [10] is an antihistamine pharmaceutical drug used in the treatment of allergy symptoms, such as hay fever and urticaria. [ 11 ] Therapeutically, fexofenadine is a selective peripheral H 1 blocker .

  3. H1 antagonist - Wikipedia

    en.wikipedia.org/wiki/H1_antagonist

    H 1 antagonists, also called H 1 blockers, are a class of medications that block the action of histamine at the H 1 receptor, helping to relieve allergic reactions.Agents where the main therapeutic effect is mediated by negative modulation of histamine receptors are termed antihistamines; other agents may have antihistaminergic action but are not true antihistamines.

  4. Histamine receptor - Wikipedia

    en.wikipedia.org/wiki/Histamine_receptor

    H1 antagonists, commonly known as antihistamines, are used to alleviate symptoms of allergies and allergic reactions. [3] H 2 receptor – Found mainly in the stomach lining (parietal cells), H2 receptors regulate gastric acid secretion by stimulating the production of hydrochloric acid.

  5. Antihistamine - Wikipedia

    en.wikipedia.org/wiki/Antihistamine

    Upon study of records in mouse studies associated with 40 common medications ranging from antibiotics, antihistamines, aspirin, and hydrocortisone, that for subjects with melanoma and lung cancers, fexofenadine, one of three medications, along with loratadine, and cetirizine, that target histamine receptor H1 (HRH1), demonstrated significantly ...

  6. Fexofenadine/pseudoephedrine - Wikipedia

    en.wikipedia.org/wiki/Fexofenadine/pseudoephedrine

    It contains fexofenadine, as the hydrochloride, an antihistamine; and pseudoephedrine, as the hydrochloride, a nasal decongestant. [ 2 ] In 2021, it was the 279th most commonly prescribed medication in the United States, with more than 800,000 prescriptions.

  7. Cyanoacetamide - Wikipedia

    en.wikipedia.org/wiki/Cyanoacetamide

    Cyanoacetamide is used in spectrofluorimetric methods to determine the activity of antihistamine H1 receptor antagonistic drugs such as ebastine, cetirizine dihydrochloride and fexofenadine hydrochloride. [3]

  8. Hydrogen - Wikipedia

    en.wikipedia.org/wiki/Hydrogen

    In 1766, Henry Cavendish was the first to recognize hydrogen gas as a discrete substance, by naming the gas from a metal-acid reaction "inflammable air". He speculated that "inflammable air" was in fact identical to the hypothetical substance "phlogiston" [65] [66] and further finding in 1781 that the gas produces water when burned. He is ...

  9. Proton-pump inhibitor - Wikipedia

    en.wikipedia.org/wiki/Proton-pump_inhibitor

    The proton pump is the terminal stage in gastric acid secretion, being directly responsible for secreting H + ions into the gastric lumen, making it an ideal target for inhibiting acid secretion. [ citation needed ] Because the H,K-ATPase is the final step of acid secretion, an inhibitor of this enzyme is more effective than receptor ...

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