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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 ...

4. Antihistamine - Wikipedia

   en.wikipedia.org/wiki/Antihistamine

   H 2-antihistamines, like H 1-antihistamines, exist as inverse agonists and neutral antagonists. They act on H 2 histamine receptors found mainly in the parietal cells of the gastric mucosa, which are part of the endogenous signaling pathway for gastric acid secretion.

5. Histamine receptor - Wikipedia

   en.wikipedia.org/wiki/Histamine_receptor

   [1] [2] Histamine receptors are proteins that bind with histamine, a neurotransmitter involved in various physiological processes. There are four main types: H1, H2, H3, and H4. H1 receptors are linked to allergic responses, H2 to gastric acid regulation, H3 to neurotransmitter release modulation, and H4 to immune system function.

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. Histamine agonist - Wikipedia

   en.wikipedia.org/wiki/Histamine_agonist

   A histamine agonist is a drug which causes increased activity at one or more of the four histamine receptor subtypes.. H 1 agonists promote wakefulness. [1]H 2: Betazole and Impromidine are examples of agonists used in diagnostics to increase histamine.

8. List of United States Supreme Court cases involving the First ...

   en.wikipedia.org/wiki/List_of_United_States...

   Cases pertaining to whether or not extending protections to speech constitutes government endorsement of speech. Pleasant Grove City v. Summum, 555 U.S. 460 (2009) Walker v. Texas Division, Sons of Confederate Veterans (2015) Matal v. Tam (2017) Iancu v. Brunetti (2019) Shurtleff v. City of Boston, No. 20-1800, 596 U.S. ___ (2022)

9. Terfenadine - Wikipedia

   en.wikipedia.org/wiki/Terfenadine

   Terfenadine acts as a peripherally-selective antihistamine, or antagonist of the histamine H 1 receptor. [3] It is a prodrug, generally completely metabolized to the active form fexofenadine in the liver by the enzyme cytochrome P450 3A4. Due to its near complete metabolism by the liver immediately after leaving the gut, terfenadine normally is ...