Sumycin Dosage

Generic name: tetracycline
Dosage form: Syrup

The information at Drugs.com is not a substitute for medical advice. ALWAYS consult your doctor or pharmacist.

Adults: usual daily dose is 1 to 2 g: for mild to moderate infections: 500 mg bid or 250 mg qid; higher dosages such as 500 mg qid may be required for severe infections.

For children above eight years of age: usual daily dose is 10 to 20 mg/lb (25 to 50 mg/kg) body weight divided in four equal doses.

Representative pediatric dosages for the syrup on a qid basis are as follows:

20 lbs 2.5 mL (1/2 teaspoonful)
40 lbs 5 mL (1 teaspoon)
60 lbs 7.5 mL (1–1/2 teaspoonfuls)
80 lbs 10 Ml (2 teaspoonfuls)

Therapy should be continued for at least 24 to 48 hours after symptoms and fever have subsided.

The treatment of brucellosis, 500 mg tetracycline four times daily for three weeks should be accompanied by streptomycin, 1 g intramuscularly twice daily the first week and once daily the second week.

For treatment of uncomplicated gonorrhea, 500 mg every six hours for seven days.

For treatment of syphilis, a total of 30 to 40 g in equally divided doses over a period of 10 to 15 days should be given. Close follow up, including laboratory tests, is recommended.

Uncomplicated urethral, endocervical, or rectal infection in adults caused by Chlamydia trachomatis: 500 mg by mouth, four times a day for at least seven days.

In cases of severe acne which in the judgment of the clinician, requires long-term treatment, the recommended initial dosage is 1 g daily in divided doses. When improvement is noted, usually within one week, dosage should be gradually reduced to maintenance levels ranging from 125 to 500 mg daily. In some patients it may be possible to maintain adequate remission of lesions with alternate-day or intermittent therapy. Tetracycline therapy of acne should augment the other standard measures known to be of value.

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 tetracycline should be administered for at least 10 days.

Concomitant therapy: Absorption of tetracyclines is impaired by antacids containing aluminum, calcium, or magnesium, and iron containing preparations.

Food and some dairy products also interfere with absorption.

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