Medically reviewed by Drugs.com. Last updated on Nov 29, 2021.
Adults: Usual daily dose, 1–2 g divided in four equal doses, depending on the severity of the infection.
For children above eight years of age: Usual daily dose, 10–20 mg per pound (25–50 mg/kg) of body weight divided in four equal doses.
Therapy should be continued for at least 24–48 hours after symptoms and fever have subsided.
For treatment of brucellosis, 500 mg oxytetracycline four times daily for 3 weeks should be accompanied by streptomycin, 1 gram intramuscularly twice daily the first week, and once daily the second week.
For treatment of uncomplicated gonorrhea, when penicillin is contraindicated, tetracycline may be used for the treatment of both males and females in the following divided dosage schedule: 1.5 grams initially followed by 0.5 gram q.i.d. for a total of 9.0 grams.
For treatment of syphilis, a total of 30–40 grams in equally divided doses over a period of 10–15 days should be given. Close follow-up, including laboratory tests, is recommended.
Administration of adequate amounts of fluid along with capsule and tablet forms of drugs in the tetracycline class is recommended to wash down the drugs and reduce the risk of esophageal irritation and ulceration. (See ADVERSE REACTIONS.)
Concomitant therapy: Antacids containing aluminum, calcium, or magnesium impair absorption and should not be given to patients taking oral tetracyclines.
Food and some dairy products also interfere with absorption. Oral forms of tetracyclines should be given 1 hour before or 2 hours after meals. Pediatric oral dosage forms should not be given with milk formulas and should be given at least 1 hour prior to feeding.
In patients with renal impairment (See WARNINGS.) Total dosage should be decreased by reduction of recommended individual doses and/or by extending time intervals between doses.
In the treatment of streptococcal infections, a therapeutic dose of oxytetracycline should be administered for at least 10 days.
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