Bactrim

Prevention of Pneumocystis Carinii Pneumonia

The recommended dosage is 1 Bactrim DS (double strength tablet) once daily.

Travelers' Diarrhea

The usual recommended dosage is 1 Bactrim DS (double strength tablet), 2 Bactrim tablets, or 4 teaspoonfuls (20 milliliters) of Bactrim Pediatric Suspension every 12 hours for 5 days.

CHILDREN

Urinary Tract Infections or Middle Ear Infections

The recommended dosage for children 2 months of age or older, given every 12 hours for 10 days, is determined by weight. The following table is a guideline for this dosage:

22 pounds, 1 teaspoonful (5 milliliters)
44 pounds, 2 teaspoonfuls (10 milliliters) or 1 tablet
66 pounds, 3 teaspoonfuls (15 milliliters) or one-and-a-half tablets
88 pounds, 4 teaspoonfuls (20 milliliters) or 2 tablets or 1 DS tablet

Intestinal Inflammation

The recommended dosage is identical to the dosage recommended for urinary tract and middle ear infections; however, it should be taken for 5 days.

Treatment of Pneumocystis Carinii Pneumonia

The recommended dosage, taken every 6 hours for 14 to 21 days, is determined by weight. The following table is a guideline for this dosage:

18 pounds, 1 teaspoonful (5 milliliters)
35 pounds, 2 teaspoonfuls (10 milliliters) or 1 tablet
53 pounds, 3 teaspoonfuls (15 milliliters) or one-and-a-half tablets
70 pounds, 4 teaspoonfuls (20 milliliters) or 2 tablets or 1 DS tablet

Prevention of Pneumocystis Carinii Pneumonia

The recommended dosage, taken twice a day, on 3 consecutive days per week, is determined by body surface area. The total daily dose should not exceed 320 milligrams trimethoprim and 1600 milligrams sulfamethoxazole.

The safety of repeated use of Bactrim in children under 2 years of age has not been established.

OLDER ADULTS

There may be an increased risk of severe side effects when Bactrim is taken by older people, especially in those who have impaired kidney and/or liver function or who are taking other medication. Consult with your doctor before taking Bactrim.

Overdosage

If you suspect an overdose of Bactrim, seek emergency medical attention immediately.

• Symptoms of an overdose of Bactrim include:
  Blood or sediment in the urine, colic, confusion, dizziness, drowsiness, fever, headache, lack or loss of appetite, mental depression, nausea, unconsciousness, vomiting, yellowed eyes and skin