HealthTap Online Primary Care Doctors Accepting New Patients
Book a video visit
HealthTap
Telehealth
A member asked:

How long does metronidazole stay in your system after taken four 500mg pills in one dose?

A doctor has provided 1 answer

5-7 days: At least 1 week.

Answered 9/11/2018

3.8k views

Thank

Related Questions

A member asked:

I'm taking the anabiotic metronidazole which is one tablet by mouth twice a day for seven days how many hours should I spaced the pills between ?

A doctor has provided 1 answer

A member asked:

Finish 5 days of metronidazole gel for BV as prescribed, no longer have any symptoms, my question is how long should one wait to have intercourse?

A doctor has provided 1 answer

A member asked:

Ive been prescribed the metronidazole vaginal gel for BV because the pills no longer work for me but I just started my period, is it still okay to use it? Should I wait until my period is over?

A doctor has provided 1 answer

A member asked:

I was prescribed an antibiotic for gingivitis ( metronidazole+spyramicin ) I took one pill an hour ago, I read in the side effects that it can cause cardiac arrest how likely it is to happen to healthy person ?? I'm already on zoloft for anxiety?

3 doctors weighed in across 3 answers

A member asked:

How long do 4 metronidazole 500mg tablets stay in your system?

5 doctors weighed in across 2 answers

Sponsored Content
HealthTap Medical Group does not endorse products or services. Sponsored content revenues support our mission to make health information free and accessible to all.Learn more

People also searched for:

I just took one dose (4 pills) of metronidazole. Will the treatment still work if I smoke cigarettes?
I've taken 3 400mg metronidazole tablets with four hours between each dose. Is this ok, I haven't had an accidental over dose? told to take 3 daily
Took one flagyl oral pill and taking metronidazole currently. can this delay my period?
Can i take 4 metronidazole pills at one time to cure bv ? Or will i still have to do the 7 days in order to cure it ?
Can I have a beer while on metronidazole? I understand both are metabolized in the liver, so they shouldn't be taken together, but I wonder if one beer is okay. I assume liver damage occurs from drinking in excess and low doses could cause nausea?

Telemedicine

Primary Care
Manage Your Conditions
Women's Health
Children's Health
Men's Health
Senior Health
Wellness, Prevention & Lifestyle
Sexual Health
Mental & Behavioral Health
Travel Medicine
Urgent Care
Ask your question
Didn't find what you're looking for?

90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.

Ask your question

More of what we treat

Allergies
Antibiotics
Asthma
High Blood Pressure
Prescriptions
Type 2 Diabetes
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.
HealthTap
HIPAA logo
HIPAASecure
Soc 2 Type 2 logo
SOC 2 Type 2Certified
JCAHO Accredited
JCAHOAccredited
Member App

Download HealthTap

Video visit and message your doctor

Member App QR Code
Play Store Member LinkApp Store Member Link

Questions?

+1 (888) 828-0841support@healthtap.com
LinkedInTwitter
HomeTermsPrivacyCookiesDMCAHealth TopicsDoctors DirectoryDoctor Q&A by Specialty
Copyright 2026 HealthTap, Inc.