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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  • Bill C - Perfect replacement for your Frigidaire WF3CB Puresource 3 filter

    I needed a Puresource 3 replacement filter for some time now and this once was just right. The shipping was super fast. Easy enough to replace, just push in on the old one, pull it out. After taking the protective cover off the Crystala Filter, just push it right into place. Run the water from the fridge for about 5 minutes and you are set, perfectly filtered water again at a fraction of the cost.

  • SuzyHomemaker - No eraser?!

    Not only are they pretty, they are a big hit at Tupperware parties. I even use them to write up my Avon orders. There is a color to match every house dress my husband bought me, but I am giving this product only one star because it doesn't have an eraser. When I attempt a mathamatical problem without a man near by to help me, I always mess up and need an eraser. Not that my vote matters, but, I say recall the product. I will never waste my allowance on these pens again.

  • Thomas C. Beckett - NOT AS SHOWN

    This product is shown to come in a tub that would be easy to spread. Instead it comes in a bag, that is USELESS to srpead.

  • mommy2girls - We were more meant for something like the Squatty Potty

    I am giving this plastic version one less star. I prefer the heavier wooden version. But I have to say both versions do well at helping out in the bathroom. The human body was not meat for a traditional toilet. We were more meant for something like the Squatty Potty. When you use it over a week, you will understand why.

  • Amazon Customer - Not crazy about the roll up design

    The fit is perfect and keeps the car cooler on hot days. I don't care for the roll up design. An accordion fold would be easier to manage and store.