A member asked:

Took 1st dose of bactrim at 11:45am. can i take the 2nd at 9pm and not wait the full 12 hours? uti. 3 days of bactrim 2x daily prescribed.

5 doctors weighed in across 2 answers
Dr. William Harris answered

Specializes in Family Medicine

No prob: Try to get as close to every 12 hours from now on. Let's just say that that slightly early dose was a booster...

Answered 1/9/2021

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Dr. Amrita Dosanjh answered

Specializes in Pediatric Allergy and Asthma

Mgt.: It should be fine, but closer to 12 hours may be advisable. Please follow up for continued symptoms.

Answered 11/27/2017

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