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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  • Vernon G. - Very informative

    I learned a lot more about computers and other related items while reading throughout this book. It gives a lot of information that I didn't know before.

  • Amanda Trimble - Don't do it!

    I hate to post ugly reviews but I would like to know if someone has had a bad experience if I was about to buy this very expensive product. The diet is FULL of pills to take. I felt like I was always taking a pill or drinking a special drink. I felt good but was eating much better and not eating any bad carbs. If you can follow their diet then you can follow a similar diet on your own and have the same results without taking all their stuff! I also tried to return my products and after more then 10 days have still not received a refund. They keep telling me their warehouse guy is so bust dealing with refund that they are way backed up. $500 is way to much to spend - check out Weight Watchers or protein shakes on your own and eliminate processed foods!

  • mother of 3 - Best taffy for short hair

    I have been using this taffy for years. I'm a 40+ yr old mom with a short choppy do (like Halle Barry's hair.) My hair is really thick, but without a good texturizing taffy, it sits on my head like a monk's cap, flat to my head. About a dime sized amount of this stuff, rubbed between my palms and then raked through my hair gives me movable-touchable-but-stays-off-my-head-and-separated texture. I finish with hairspray (doesn't seem to matter what kind) and am good to go for an entire 7 am - 10 pm day. Baseball cap for watching the kids' game? No problem, take off the cap and shake and crunch your fingers through your hair and you can re-shape it again. Seriously. Also, no crispy crispy feel after it dries as I've had with other taffies. This stays movable all day. I get compliments on my hair all the time, and I credit this stuff. Love it. As for the scent, my 10 year old son (and do they every lie?) said one morning watching me do my hair: "mom, I LOVE how your hair stuff smells. I'm glad you wear it." I don't even notice that it has a scent except first thing in the morning when I first put it on." The only time it's not enough is on those 90/90 summer days when the heat, humidity and my own sweat combine to kill every attempt at keeping my hair up.