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Should I take AMOXICILLIN, 12hrs or 8 hrs once?

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I am a 27-year-old female (120 lbs.). I am getting a root canal and have been prescribed 875 mg Amoxicillin tablets which my prescription says to take every 8 hours. There are 21 tablets. I just took one and then looked up the normal dosages. for Amoxicillin. Everywhere I've looked online I have seen it says that 875 mg. should be taken every 12 hours. Is 875 mg. every 8 hrs. too much and could that prescription have been a mistake? Is it ok if I take it every 12 hrs instead of every 8 since I am worried?

Category: Family Physician-GP

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Category: HIV- AIDS Specialist
 20 Doctors Online

Thank you for your query at
I understand your concern.
Considering your body weight, 875 mg 12 hourly is fine. Higher dose than that can cause gastric irritation and upset.
Some doctors prefer higher dose, it is not wrong, but then it is not required.
I can assure you from my side 875 mg 12 hourly is fine.
Please feel free to discuss further,

Dr. Jaydeep Tripathy
Category: HIV- AIDS Specialist
MBBS from Sri Ramachandra University in December 2011
M.Med (Family Medicine) - TNMGR University, Chennai
MBA-MPH in Public Health in March 2016, SRM University
Finished AFIH in March 2016, SRM University
MRCP ( UK ), Internal Medicine, Royal College of Physicians, June 2016
Fellowship in Diabetology from Martin Luther University in January 2017

Currently Resident Physician, in MD Radiodiagnosis - Kamakshi Memorial Hospital, Chennai
Dr. Jaydeep Tripathy and 4 other Medical Specialists are ready to help you

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