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  2. Cetirizine - Wikipedia

    en.wikipedia.org/wiki/Cetirizine

    The pharmacokinetics of cetirizine have been found to increase linearly with dose across a range of 5 to 60 mg. [3] Its C max following a single dose has been found to be 257 ng/mL for 10 mg and 580 ng/mL for 20 mg. [2] Food has no effect on the bioavailability of cetirizine but has been found to delay the T max by 1.7 hours (i.e., to ...

  3. The 24-Hour Flu Is No Joke: Here’s What Causes It - AOL

    www.aol.com/24-hour-flu-no-joke-114000057.html

    The good news about the 24-hour flu is that it doesn’t usually last long and hopefully you’ll feel better in a day or so. But, if you don’t or if you’re struggling, call your doctor about ...

  4. Levocetirizine - Wikipedia

    en.wikipedia.org/wiki/Levocetirizine

    Levocetirizine is an antihistamine. It acts as an inverse agonist that decreases activity at histamine H1 receptors. This in turn prevents the release of other allergy chemicals and increases the blood supply to the area, providing relief from the typical symptoms of hay fever.

  5. Cetirizine/pseudoephedrine - Wikipedia

    en.wikipedia.org/wiki/Cetirizine/pseudoephedrine

    Cetirizine/pseudoephedrine (Zyrtec-D) is an antihistamine and decongestant formulation. It is a fixed-dose combination drug containing 5 mg cetirizine hydrochloride and 120 mg pseudoephedrine hydrochloride for symptoms related to seasonal allergic rhinitis .

  6. Antihistamine - Wikipedia

    en.wikipedia.org/wiki/Antihistamine

    [22] [23] [24] By 1950, at least 20 antihistamines had been marketed. [25] Chlorphenamine (Piriton), a less sedating antihistamine, was synthesized in 1951, and hydroxyzine (Atarax, Vistaril), an antihistamine used specifically as a sedative and tranquilizer, was developed in 1956.

  7. Bilastine - Wikipedia

    en.wikipedia.org/wiki/Bilastine

    Bilastine is an antihistamine medication used to treat hives (), allergic rhinitis and itchy inflamed eyes (allergic conjunctivitis) caused by an allergy. [6] It is a second-generation antihistamine and takes effect by selectively inhibiting the histamine H 1 receptor, preventing these allergic reactions. [7]

  8. Ketotifen - Wikipedia

    en.wikipedia.org/wiki/Ketotifen

    Ketotifen is an antihistamine medication and a mast cell stabilizer used to treat allergic conditions such as conjunctivitis, asthma, and urticaria (hives).Ketotifen is available in ophthalmic (eye drops or drug-eluting contact lenses) and oral (tablets or syrup) forms: the ophthalmic form relieves eye itchiness and irritation associated with seasonal allergies, while the oral form helps ...

  9. Autoimmune urticaria - Wikipedia

    en.wikipedia.org/wiki/Autoimmune_urticaria

    Autoimmune urticaria is characterized by the presence of autoantibodies, which are antibodies that the immune system mistakenly produces against the body's own cells.In the case of autoimmune urticaria, these autoantibodies primarily target the high-affinity IgE receptor (FcεRI) on mast cells and basophils, or less commonly, IgE itself.