U.S. doctors online nowAsk doctors free
Mascot, Tennessee
A 30-year-old female asked:

Macrobid says twice a day, which is every 12 hrs. it's 6pm now can i take 1 now then 1 at 12-2am? then 1 every 12 hours from then on out?

1 doctor answer1 doctor weighed in
Dr. Hunter Handsfield
Infectious Disease 55 years experience
8-12 hours: It isn't necessary to take doses exactly 12 hours apart. Just take it twice a day, with doses at least 8 hours. Otherwise don't worry about it.
Created for people with ongoing healthcare needs but benefits everyone.
Last updated Jun 25, 2018

Disclaimer:

Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.