How to Use

Sulfonamides must not be given to infants less than 2 months of age unless directed by the patient's family doctor because sulfonamides may cause serious unwanted effects.

Sulfonamides are best taken with a full glass - 8 ounces of water Several additional glasses of water must be taken every day , unless otherwise directed by your family doctor. Drinking extra water will help to prevent some unwanted effects of sulfonamides.

For diseaseds taking the oral liquid form of this drug:

• Use a specially marked measuring spoon or other device to measure each dose accurately. The average household teaspoon may not hold the right amount of liquid.

To help clear up your infection completely, keep taking this drug for the full time of treat , even if you begin to feel better after a few days. If you stop taking this drug too soon, your symptoms may return.

This drug works best when there is a constant amount in the blood or urine To help keep the amount constant, do not miss any doses. Always it is best to take the doses at evenly spaced times day and night . If you need help in planning the best times to take your drug, check with your health care professional.

Dosage

For sulfadiazine
• For tablet dosage form:
  • For bacterial or protozoal infections:
    • Adults and teenagers 2 to 4 grams for the first dose, then 1 gram every four to six hours.
    • Children up to 2 months of age Use is not recommended.
    • Children 2 months of age and older Dose is based on body weight. The usual dose is 75 milligrams - mg per kilogram - kg - 34 mg per pound of body weight for the first dose, then 37.5 mg per kg - 17 mg per pound of body weight every six hours, or 25 mg per kg - 11.4 mg per pound of body weight every four hours.

For sulfamethizole
• For tablet dosage form:
  • For bacterial infections:
    • Adults and teenagers 500 milligrams - mg to 1 gram every six to eight hours.
    • Children up to 2 months of age Use is not recommended.
    • Children 2 months of age and older Dose is based on body weight. The usual dose is 7.5 to 11.25 mg per kilogram - kg - 3.4 to 5.1 mg per pound of body weight every six hours.

For sulfamethoxazole
• For tablet dosage form:
  • For bacterial or protozoal infections:
    • Adults and teenagers 2 to 4 grams for the first dose, then 1 to 2 grams every eight to twelve hours.
    • Children up to 2 months of age Use and dose must be determined by your family doctor.
    • Children 2 months of age and older Dose is based on body weight. The usual dose is 50 to 60 milligrams - mg per kilogram - kg - 22.7 to 27.3 mg per pound of body weight for the first dose, then 25 to 30 mg per kg - 11.4 to 13.6 mg per pound of body weight every twelve hours.

For sulfisoxazole
• For suspension, syrup, or tablet dosage forms:
  • For bacterial or protozoal infections:
    • Adults and teenagers 2 to 4 grams for the first dose, then 750 milligrams - mg to 1.5 grams every four hours; or 1 to 2 grams every six hours.
    • Children up to 2 months of age Use and dose must be determined by your family doctor.
    • Children 2 months of age and older Dose is based on body weight. The usual dose is 75 mg per kilogram - kg - 34 mg per pound of body weight for the first dose, then 25 mg per kg - 11.4 mg per pound of body weight every four hours, or 37.5 mg per kg - 17 mg per pound of body weight every six hours.

Missed dose If you miss a dose of this drug, take it as soon as possible. This will help to keep a constant amount of drug in the blood or urine. However, if it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not double doses.

Storage To store this drug:

• Keep out of the reach of children.
• Store away from heat and direct light.
• Do not store the tablet form of this drug in the bathroom, near the kitchen sink, or in other damp places. Heat or moisture may cause the drug to break down.
• Keep the oral liquid forms of this drug from freezing.
• Do not keep outdated drug or drug no longer needed. Be sure that any discarded drug is out of the reach of children.