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Sulfadiazine
Bacterial infections
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Drug Name:

Sulfadiazine Rx

Generic Name and Formulations:
Sulfadiazine 500mg; tabs.

Company:
Sandoz

Therapeutic Use:

Indications for Sulfadiazine:

Susceptible infections including chancroid, trachoma, inclusion conjunctivitis, nocardiosis, UTI (secondary therapy), toxoplasmosis encephalitis, meningococcal meningitis, acute otitis media, rheumatic fever.

Adult:

Initially 2–4g. Maintenance: 2–4g divided into 3–6 doses every 24 hours.

Children:

<2 months: see Contraindications. ≥2months: Initially ½ the 24-hour dose. Maintenance: 150mg/kg divided into 4–6 doses every 24 hours, max 6g/24hrs. Rheumatic fever prophylaxis: <30kg: 500mg every 24 hours; >30kg: 1g every 24 hours.

Contraindications:

Infants <2 months of age (except as adjunctive therapy with pyrimethamine in the treatment of congenital toxoplasmosis). Pregnancy at term. Nursing mothers.

Warnings/Precautions:

Do not use to treat group A betahemolytic streptococcal infections. Renal or hepatic impairment. Bronchial asthma. Severe allergy. G6PD deficiency. Maintain adequate hydration. Obtain CBCs and urinalyses frequently during therapy. Pregnancy (Cat.C).

Interactions:

May be potentiated by indomethacin, probenecid, salicylates. May potentiate oral anticoagulants, methotrexate, sulfonylureas, thiazide diuretics, uricosuric agents.

Pharmacological Class:

Sulfonamide antibiotic.

Adverse Reactions:

Blood dyscrasias, allergic reactions, GI upset, hepatitis, pancreatitis, stomatitis, headache, peripheral neuritis, depression, convulsions, ataxia, hallucinations, tinnitus, vertigo, insomnia, crystalluria, stone formation, toxic nephrosis, oliguria, anuria; rare: goiter production, diuresis, hypoglycemia.

How Supplied:

Tabs—100, 1000

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