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How many days does it take for the antibiotic Sulfatrim to take effect? I am on day 2, I only have 2 pills left, and I still have discomfort...

Most antibiotics, including Sulfatrim, typically start to show improvements in symptoms within 24 to 48 hours of starting the treatment. By the end of the prescribed treatment course, symptoms should completely disappear. If symptoms persist after completing the treatment, it is advisable to contact a healthcare provider for further evaluation.