What dose of co-trimoxazole is used in a patient with a UTI?
Medically reviewed by drugclasses.com. Last updated on Oct 26, 2023.
The usual adult dose of co-trimoxazole to treat a UTI (urinary tract infection) is trimethoprim-sulfamethoxazole 160 mg-800 mg (1 double-strength tablet) orally every 12 hours for 10 to 14 days
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What drugs should be avoided with a sulfa allergy?
People with a sulfa allergy typically need to avoid sulfonamide antibiotics (antibiotics containing sulfa), including:
- Septra and Bactrim (sulfamethoxazole-trimethoprim)
- Pediazole (erythromycin-sulfisoxazole)
Whether other nonantibiotic sulfa-containing drugs need to be avoided with sulfa allergy is unclear and considered on a case-by-case basis. Continue reading
Does Bactrim cause headaches?
Headache is a common side effect with Bactrim (sulfamethoxazole / trimethoprim) and may occur in up to 10% of patients. Low blood sugar, low sodium blood levels and rarely, aseptic meningitis are other side effects of Bactrim that may lead to a headache. Continue reading
How long does Cipro take to work?
Although ciprofloxacin starts working within hours of taking it, you may not notice an improvement in your symptoms for 2 to 3 days. For some infections, such as osteomyelitis (a bone infection), it may take up to a week before you show any improvement. Continue reading
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Drug information
- Sulfamethoxazole / Trimethoprim Information for Consumers
- Sulfamethoxazole/Trimethoprim prescribing info & package insert (for Health Professionals)
- Side Effects of Sulfamethoxazole/Trimethoprim (detailed)
Related support groups
- Sulfamethoxazole/Trimethoprim (17 questions, 24 members)
- Urinary Tract Infection (198 questions, 599 members)