Adults: Usually 250 mg every 6 hours, or 500 mg every 12 hours. May increase up to 4 g/day, according to severity of infection.
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\nInfections |
\nDosage and Administration |
\n
\n
\nUpper respiratory tract infections of mild to moderate severity |
\n250 to 500 mg 4 times a day for 10 days |
\n
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\nLower respiratory infections of mild to moderate severity |
\n250 to 500 mg 4 times a day for 10 days |
\n
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\nRespiratory tract infections due to Mycoplasma pneumoniae |
\n500 mg 6 hours for 5 to 10 days, treat severe infections for up to 3 weeks |
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\nSkin and soft tissue infections of mild to moderate severity |
\n250 to 500 mg 4 times a day for 10 days |
\n
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\nPelvic inflammatory diseases (PID), acute due to Neisseria gonorrhoeae |
\n500 mg 4 times a day for 10 to 14 days |
\n
\n
\nUrogenital infection during pregnancy caused by Chlamydia trachomatis |
\n500 mg 4 times daily for 7 days or
\n250 mg 4 times daily for 14 days |
\n
\n
\nUrethral, endocervical or rectal infections, uncomplicated |
\n500 mg 4 times daily for 7 days or
\n250 mg 4 times daily for 14 days |
\n
\n
\nNon-gonococcal urethritis |
\n500 mg 4 times daily for at least 7 days |
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\nNeisseria gonorrhoeae: Uncomplicated urethral, endocervical or rectal infections and in penicillinase producing N. gonorrhoeae(PPNG) |
\n500 mg 4 times a day for 7 days |
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\nEarly syphillis (primary, secondary or latent syphillis of < 1 year duration) |
\n500 mg 4 times a day for 14 days |
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\nSevere or chronic diarrhoea |
\n500 mg 4 times a day for 7 days |
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\nRheumatic fever |
\n250 mg 2 times daily |
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\nBacterial endocarditis |
\n1 g 2 hours prior to procedures, then 500 mg 6 hours after initial dose |
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\nAcne |
\n500 mg twice daily for 3 months reduced to 250 mg twice for 3 months |
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\nChildren: The usual oral dose is 30-50 mg/kg body weight per day in divided doses. For more severe infections, the dose may be doubled.