Azithromycin tablets can be applied for the treatment of the following infections, when caused by microorganisms sensitive to azithromycin (see sections 4.4 and 5.1): - acute bacterial sinusitis (adequately diagnosed) - acute bacterial otitis media (adequately diagnosed) - pharyngitis, tonsillitis - acute exacerbation of chronic bronchitis (adequately diagnosed) - mild to moderately severe community acquired pneumonia - skin and soft tissue infections - uncomplicated Chlamydia trachomatis urethritis and cervicitis Considerations should be given to official guidance on the appropriate use of antibacterial agents. Adults In uncomplicated Chlamydia trachomatis urethritis and cervicitis the dose is 1000 mg as a single oral dose. For all other indications the dose is 1500 mg, to be administered as 500 mg per day for three consecutive days. As an alternative the same total dose (1500 mg) can also be administered over a period of five days with 500 mg on the first day and 250 mg on the second to the fifth day. Elderly people The same dose as in adult patients is used for elderly people. Since older people can be patients with ongoing proarrhythmic conditions a particular caution is recommended due to the risk of developing cardiac arrhythmia and torsades de pointes (see section 4.4). Paediatric population Azithromycin tablets should only be administered to children weighing more than 45 kg when normal adult dose should be used. Its molecular formula is C38H72N2O12, and its molecular weight is 749.00. Azithromycin has the following structural formula: Azithromycin is a bacteriostatic drug acts by inhibiting protein synthesis. It binds reversibly to 50S ribosomal subunits of sensitive microorganism. Azithromycin interferes with transpeptidation and translocation thus there is inhibition of protein synthesis and hence inhibition of cell growth. Azithromycin is rapidly absorbed after oral administration. burgdorferi, Mycoplasma pneumoniae, Escherichia coli, Salmonella, Shigella species and H. Azithromycin is contraindicated in patients with known hypersensitivity to azithromycin, erythromycin, any macrolide or ketolide antibiotic. Food does not interfere with absorption of tablet or suspension of azithromycin but of capsule is reduced. It may cause QTc Prolongation, so avoid in patients with known QT prolongation. Peak plasma concentrations occur 2 to 3 hours after an oral dose and 1 to 2 hours after intravenous dosage. avium-intracellulare, Toxoplasma gondii, Cryptosporidium, Plasmodium species, H. Side effects with azithromycin are less frequent ( Azithromycin is an erythromycin derivative and its lactone ring contains an extra nitogen which is methylated. These structural alterations improve acid stability and tissue penetration and widen the spectrum of activity. Viagra bill Metformin is Cialis expiration Azithromycin, respectively. Microbiology. Mechanism of Action. Azithromycin binds to the 23S rRNA of the bacterial 50S ribosomal subunit. It blocks protein. Azithromycin and clarithromycin significantly upregulated the expression of CD80. Although molecular mechanisms of macrolide action on Ca2+ dynamics. Azithromycin tablets can be applied for the treatment of the following infections, when caused by microorganisms sensitive to azithromycin see sections 4.4 and 5.1 Azithromycin has relatively broad but shallow antibacterial activity. It inhibits some Gram-positive bacteria, some Gram-negative bacteria, and many atypical bacteria. A strain of gonorrhea reported to be highly resistant to azithromycin was found in the population in 2015. Neisseria gonorrhoeae is normally susceptible to azithromycin, Safety of the medication during breastfeeding is unclear. It has been reported that because only low levels are found in breastmilk and the medication has also been used in young children, it is unlikely that breastfed infants would suffer adverse effects. Most common adverse effects are diarrhea (5%), nausea (3%), abdominal pain (3%), and vomiting. Fewer than 1% of people stop taking the drug due to side effects. Based on animal models of infection, the antibacterial activity of azithromycin appears to correlate with the ratio of area under the concentration-time curve to minimum inhibitory concentration (AUC/MIC) for certain pathogens ( QTc interval prolongation was studied in a randomized, placebo-controlled parallel trial in 116 healthy subjects who received either chloroquine (1000 mg) alone or in combination with oral azithromycin (500 mg, 1000 mg, and 1500 mg once daily). Co-administration of azithromycin increased the QTc interval in a dose- and concentration- dependent manner. In comparison to chloroquine alone, the maximum mean (95% upper confidence bound) increases in QTc F were 5 (10) ms, 7 (12) ms and 9 (14) ms with the co-administration of 500 mg, 1000 mg and 1500 mg azithromycin, respectively. Two azithromycin 250 mg tablets are bioequivalent to a single 500 mg tablet. In a two-way crossover study, 12 adult healthy volunteers (6 males, 6 females) received 1500 mg of azithromycin administered in single daily doses over either 5 days (two 250 mg tablets on day 1, followed by one 250 mg tablet on days 2–5) or 3 days (500 mg per day for days 1–3). Due to limited serum samples on day 2 (3-day regimen) and days 2–4 (5-day regimen), the serum concentration-time profile of each subject was fit to a 3-compartment model and the AUC The absolute bioavailability of azithromycin 250 mg capsules is 38%. In a two-way crossover study in which 12 healthy subjects received a single 500 mg dose of azithromycin (two 250 mg tablets) with or without a high fat meal, food was shown to increase C The serum protein binding of azithromycin is variable in the concentration range approximating human exposure, decreasing from 51% at 0.02 mcg/m L to 7% at 2 mcg/m L. The antibacterial activity of azithromycin is p H related and appears to be reduced with decreasing p H, However, the extensive distribution of drug to tissues may be relevant to clinical activity. Azithromycin mechanism of action Antibiotic Drugs, Information, Description on Azithromycin., Mechanisms of Action and Clinical Application of Macrolides as. Www.zocor medication.com DESCRIPTION. Methylxanthine with a narrow therapeutic window Aminophylline is converted to theophylline systemically; 1 mg aminophylline = 0.8 mg theophylline Aminophylline dihydrate - Drug Summary - PDR. Net. Azithromycin 500mg Tablets - Summary of Product Characteristics.. DB00207 Azithromycin - Azithromycin - DrugBank. Azithromycin is a macrolide antibiotic which inhibits bacterial protein synthesis, quorum-sensing and reduces the formation of biofilm. Accumulating effectively in. Jun 4, 2018. Azithromycin Zithromax and clarithromycin Biaxin are macrolide antibiotics. The spectrum of activity, mechanisms of action and resistance. Azithromycin. Antibiotic Class Macrolide. Antimicrobial Spectrum Staphylococcus. Mechanism of Action Macrolides inhibit protein synthesis. They impair the.