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.

The Aleph Center, PLLC Tucson, AZ Home - The Aleph Center is a Psychiatric Practice based in Tucson, Arizona that specializes in Electroconvulsive Therapy and Geriatric Care.


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  • MaryKate - Good quality but the release and tighten strap is difficult to use!

    I think this is an attractive and good quality item. I just can't give it 5 stars because we really hate the release and tighten strap! It's very difficult to tighten and loosen and scares us a little. I'm also worried that as he grows (he's only 23 lbs so far) It'll be very tight to try and get him in and out by the straps.

  • Frank C - SimpliSafe, great DIY Home Security

    I have had SimpliSafe for a little over a year now and I am pleased to say that I've been very happy with it. Installation and setup was a breeze, took less than 30 minutes. You can build your own custom setup as it's easily expandable and affordable. No complaints here.

  • Amazon Customer - Excellent choice for earbuds!

    These Invotek Senso ActiveBuds are excellent! Bought my husband a pair first. We go to the gym often and our other ear buds just don't stand up to our exercising. The ActiveBuds not only stay in, they have quality sound and are great for phone calls! The charge lasts my husband's whole entire work day in which he has numerous conference calls, he charges it on the way home and it's ready for the gym! Very happy with the product. Ordered myself a pair and will order another pair for our 16 year old son! Maybe even for our older girls as Christians presents also!!

  • Bryce - I love playing with this sand at my desk at work

    I love playing with this sand at my desk at work, which is why I bought it. I received the 2.2 lb sand and wish I would've gotten a smaller size because there is so much sand I don't know what to do with it except give it away to other people who like playing with it.

  • Nichole Gustafson - I like that the answer and rationale are separate than the ...

    Book is brand new and arrived fairly quickly. Also has a disc included with tutorial videos. I like that the answer and rationale are separate than the actual question. Keeps from accidently seeing the answer before you're ready to.