Azithromycin

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Azithromycin is a broad spectrum Anti-Biotic.

Information about Azithromycin

Azithromycin is a semisynthetic macrolide antibiotic which is commonly used for a wide variety of mild-to-moderate bacterial infections. Azithromycin has been linked to rare instances of acute liver injury.

Mechanism of action of Azithromycin

Azithromycin (ay zith" roe mye' sin) is a semisynthetic macrolide antibiotic used widely to treat mild-to-moderate bacterial infections caused by sensitive agents.

Clinical use of Azithromycin

Azithromycin, like other macrolide antibiotics such as eythromycin and clarithromycin, is bacteriostatic against many gram positive bacteria including many strains of streptococci, staphylococci, clostridia, corynebacteria, listeria, haemophilus sp., moxicella, and Neisseria meningitidis. Azithromycin is more active than erythromycin against several gram negative bacteria as well as Mycoplasma pneumonia, Helicobacter pylori, Toxoplasma gondii, cryptosporidia and several atypical mycobacteria.

Mechanism of action of Azithromycin

Macrolide antibiotics act by inhibiting protein synthesis of bacteria by binding to the 50S ribosomal element. Resistance occurs by several mechanisms. Azithromycin was approved for use in the United States in 1994 and currently it is the most commonly prescribed antibiotic in America. Typical indications are community acquired pneumonia, acute exacerbations of chronic bronchitis, sinusitis, pelvic inflammatory disease, urethritis and other infections caused by susceptible bacteria. Azithromycin is also used to treat disseminated mycobacterium avium complex infections.

Dosage and administration for Azithromycin

Azithromycin is available as tablets of 250 and 500 mg and as solutions and powders for suspension generically and under the name Zithromax. Azithromycin is typically given in once daily doses for 5 to 7 days. Chronic use of azithromycin is used to treat atypical mycobacterial infections and as prophylaxis against common bacterial infections in highly susceptible persons (with cystic fibrosis, chronic granulomatous disease, or brochiectasis). Parenteral azithromycin is typically given in doses of 500 mg iv daily for the first few days of therapy in moderate-to-severe infections. Azithromycin is generally well tolerated, but side effects can include nausea, abdominal pain, diarrhea, dyspepsia, headache, dizziness, angioedema and rash.

The following are macrolides

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