La doxycycline, membre de la famille des tétracyclines, agit par inhibition de la fixation de l’ARNt sur la sous-unité 30S du ribosome, empêchant l’élongation de la chaîne peptidique. Elle se caractérise par un spectre très large incluant bactéries atypiques, rickettsies, chlamydiae et spirochètes. Sa biodisponibilité digestive est excellente, mais elle est diminuée en cas d’ingestion simultanée de sels de calcium, fer ou magnésium. La doxycycline diffuse bien dans les tissus et possède une demi-vie longue, permettant des administrations biquotidiennes. Elle est éliminée principalement par voie biliaire. Les précautions concernent le risque de photosensibilisation, d’hyperpigmentation dentaire et de troubles digestifs. Dans les recommandations cliniques, la mention doxycycline sans ordonnance est souvent accompagnée de rappels sur la nécessité d’éviter son usage chez l’enfant et la femme enceinte, ainsi que sur la surveillance des traitements prolongés.

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  • Sarah - Probably fake

    I've been an avid user of this product for well over a year. As soon as I opened this, I could tell something was wrong. It didn't leave my hair feeling silky, didn't smell the same, had a bit of a different color. This product has to be fake.

  • Elizabeth - So I'd say it's a good book.

    This is the (only) book My son used for preparing the test, and he got 800. So I'd say it's a good book.

  • Seasons & Sunrise - They LOVE it.

    give one capsule a day to my cats to build up their immune system against their gingivitis and it also helps give them energy. They LOVE it ...the one chews on the whole capsule and eats it all straight down...even though she only has front teeth left, and for my other cat I open the capsule and sprinkle it on his moist food.