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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  • Earnestine - Great

    The images, based on what I've shot, are pretty good. They'd be perfect for family and vacation videos, and they look very good on a computer screen. Obviously this is not a professional camera.

  • Kathy Lewis - My review

    This was an awesome book, it has several series and for some reason I have never received the rest. I called and they stated that there was a glitch in the system and the next book never downloaded so to date I haven't received any of the next series. Can you find out what happened??

  • Heath C. - Wireless Nightmares..... No More!!!!

    I was skeptical at first but this is now my 4th wireless product in 12 months to try and get coverage in my apartment. This apartment (1600sqft) for some reason is like a fortress and couldn't even get a wireless signal upstairs.