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Medical Forum / Diseases and Disorders / Sinusitis / November 2007New Antihistamine--Xyzal
A new antihistamine is now available in the USA. (Actually, I think it's already been out for a few years in Europe, not new there.) It's called Xyzal (in the US at least), and it's a variation of Zyrtec. (As Clarinex is to Claritin.) (I guess that means Zyrtec will be going generic here soon, that's why they brought out Xyzal now.) Anyone here tried this med yet? How do you think it compares with other antihistamines? I think the generic name is levocetirizine. (zyrtec with levo in front) >A new antihistamine is now available in the USA. (Actually, I think it's >already been out for a few years in Europe, not new there.) [quoted text clipped - 5 lines] > Anyone here tried this med yet? How do you think it compares with other > antihistamines? >A new antihistamine is now available in the USA. (Actually, I think it's >already been out for a few years in Europe, not new there.) [quoted text clipped - 5 lines] >Anyone here tried this med yet? How do you think it compares with other >antihistamines? It stands to reason that it compares to other antihistamines in the same way that Zyrtec does. Just as the fact that Clarinex isn't a whole lot different from Claritin except for the absence of an inactive enantiomer and the presence of a patent. If it's the levo- form of cetirizine, then it should perform just like Zyrtec at approximately half the milligram dosage. If any of the side effects of Zyrtec are attributable exclusively to the d-enantiomer, then they should be reduced with Xyzal. Zyrtec is due to go off patent, so they came out with a new patented med. I haven't heard it is any improvement over zyrrec--which I call "son of atarax", because it's the metabolite. I find zyrtec helpful because it's more powerful than allegra/claritin, but somewhat more sedating. Useful for evening dosing. Judy > >A new antihistamine is now available in the USA. (Actually, I think it's > >already been out for a few years in Europe, not new there.) [quoted text clipped - 15 lines] > effects of Zyrtec are attributable exclusively to the d-enantiomer, > then they should be reduced with Xyzal. > Zyrtec is due to go off patent, so they came out with a new patented > med. I haven't heard it is any improvement over zyrrec--which I call > "son of atarax", because it's the metabolite. I find zyrtec helpful > because it's more powerful than allegra/claritin, but somewhat more > sedating. Useful for evening dosing. That's interesting about the sedating effect, just goes to show how much YMMV really means! I've taken it for years, and one of the reasons I first tried it was the lack of sedating effect, which other AHs have caused me. I've read that Claritin is only effective in about 30% of the population, my allergist says Claritin works for him, but Zyrtec doesn't. It seems that the response to any antihistamine is highly variable from person to person. Susan I agree. I've never tried zyrtec, but allegra works for me, and claritin makes me foggy...I'm due to get allergy re-tested, and am dreading the days without allegra. Judy The nurse who gives me my allergy shots loves her zyrtec... > x-no-archive: yes > [quoted text clipped - 16 lines] > > Susan > I agree. I've never tried zyrtec, but allegra works for me, and > claritin makes me foggy...I'm due to get allergy re-tested, and am > dreading the days without allegra. Judy, I've been able to discontinue taking Zyrtec daily, after years of dependence, with my allergy shot regimen. The problem I had was that even though all the other constituents of my shots were perfect and miraculously effective (I didn't even notice ragweed this year), my dust antigen was too strong, and I got a much worse dust allergy. One shot with a new formulation with weaker dust antigen, and I'm vastly improved. I think I take Zyrtec once every week or two now. Susan > A new antihistamine is now available in the USA. (Actually, I think it's > already been out for a few years in Europe, not new there.) [quoted text clipped - 5 lines] > Anyone here tried this med yet? How do you think it compares with other > antihistamines? Zyrtec worked great for my allergies, but it turned me into a zombie. I would totally love it if this new metabolite somehow alleviated the sedating properties of Zyrtec... M9 |
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