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Lymecycline is a tetracycline broad-spectrum antibiotic. It is approximately 5,000 times more soluble than tetracycline base and is unique amongst tetracyclines in that it is absorbed by an active transport process across the intestinal wall, making use of the same fast and efficient mechanism by which carbohydrates are absorbed.
Tetracyclines are generally used in the treatment of infections of the urinary tract, respiratory tract, and the intestines and are also used in the treatment of chlamydia, especially in patients allergic to β-lactams and macrolides; however, their use for these indications is less popular than it once was due to widespread development of resistance in the causative organisms.
before meals: ante cibum a.d., ad, AD right ear auris dextra a.m., am, AM morning: ante meridiem: nocte every night Omne Nocte a.s., as, AS left ear auris sinistra a.u., au, AU both ears together or each ear aures unitas or auris uterque b.d.s, bds, BDS 2 times a day bis die sumendum b.i.d., bid, BID twice a day / twice daily bis in die gtt ...
In "double tetracycline labeling", a second dose is given 11–14 days after the first dose, and the amount of bone formed during that interval can be calculated by measuring the distance between the two fluorescent labels. [15] Tetracycline is also used as a biomarker in wildlife to detect consumption of medicine- or vaccine-containing baits. [16]
Meta-analysis of clinical trials has shown this combined therapy to be more effective than either of its ingredients by themselves. [6]The use of adapalene/benzoyl peroxide in combination with oral antibiotics (lymecycline) has been studied; [7] the combination was well tolerated and showed an improved success rate compared to those receiving only antibiotics (47.6% vs. 33.7%, P = 0.002).
Demeclocycline inhibits the renal action of antidiuretic hormone by interfering with the intracellular second messenger cascade (specifically, inhibiting adenylyl cyclase activation) after the hormone binds to vasopressin V 2 receptors in the kidney. [18] [19] [20] Exactly how demeclocycline does this has yet to be elucidated, however. [20]
Oxytetracycline, like other tetracyclines, is used to treat many infections, both common and rare.Its better absorption profile makes it preferable to tetracycline for moderately severe acne at a dosage of 250–500 mg four times a day for usually six to eight weeks at a time, but alternatives should be sought if no improvement occurs by three months.
Clarithromycin, sold under the brand name Biaxin among others, is an antibiotic used to treat various bacterial infections. [3] This includes strep throat, pneumonia, skin infections, H. pylori infection, and Lyme disease, among others. [3]