What is Metronidazole?

Category: Prescription Drugs

Most popular types: Flagyl Metrocaps

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Metronidazole is an antibiotic and antiprotozoal agent used to treat susceptible bacterial and protozoal infections; as part of a multidrug regimen for H.pylori eradication to reduce risk of duodenal ulcer recurrence; topically it is used to treat rosacea. It has also been used to treat Crohn's.

Reported purpose & perceived effectiveness
Purpose Patients Evaluations Perceived Effectiveness
Diverticulitis 23 15
Bacterial vaginosis 21 10
Lyme disease 11 5
Rosacea 11 5
Bacterial overgrowth syndrome 8 3

Show all 41 reasons taken


  • Major
  • Moderate
  • Slight
  • None
  • Can't tell

Side effects

Side effects as an overall problem

Side effects as an overall problem
Severity Evaluations Percentage
Severe 14
Moderate 14
Mild 11
None 37

Commonly reported side effects and conditions associated with Metronidazole

Side effect Patients Percentage
Nausea 8
Diarrhea 6
Metallic taste in mouth 3
Jarisch-Herxeimer reaction 2
Pain 2
Abdominal pain 1

Show all 34 reported side effects

Dosages

Based on patients currently taking Metronidazole

Dosage Patients Percentage
1500 mg daily 2
500 mg daily 1
250 mg four times daily 1
1500 mg three times daily 1

Why patients stopped taking Metronidazole

Multiple reasons could be selected

Reason Patients Percentage
Course of treatment ended 80
Side effects too severe 15
Doctor's advice 13
Did not seem to work 10
Other 6
Personal research 3
Expense 1
See all 115 patients who've stopped taking Metronidazole

Duration

Currently taking Metronidazole

Duration Patients Percentage
1 - 6 months 2
2 - 5 years 1
5 - 10 years 2

Stopped taking Metronidazole

Duration Patients Percentage
Less than 1 month 75
1 - 6 months 22
6 months - 1 year 10
1 - 2 years 4
2 - 5 years 2
5 - 10 years 1
10 years or more 1
Adherence
Adherence Evaluations Percentage
Always 62
Usually 5
Sometimes 5
Never taken as prescribed 4
Burden
Burden Evaluations Percentage
Very hard to take 7
Somewhat hard to take 11
A little hard to take 14
Not at all hard to take 44
Cost per month
Cost per month Evaluations Percentage
$200+ 0
$100-199 0
$50-99 0
$25-49 4
< $25 30
Not specified 42

What people switch to and from

Patients started taking Metronidazole after stopping:

Treatment Patients Percentage
Clarithromycin (Biaxin) 1
Hydrocortisone topical (Cortizone-10) 1
Rifaximin (Xifaxan) 1
Vancomycin (Vancocin) 1

Patients stopped taking Metronidazole and switched to:

Treatment Patients Percentage
Vancomycin (Vancocin) 2
Adalimumab (Humira) 1
Clarithromycin (Biaxin) 1
Disulfiram (Antabuse) 1
Infliximab (Remicade) 1

Show all 6 treatments patients report switching to

Last updated:

8 patient evaluations for Metronidazole

Mar 13, 2014 (Started Mar 06, 2014)

  • Effectiveness
    Moderate (for diverticulitis)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 1500 mg Daily
Cost: < $25 monthly

  • 0 helpful marks

Jul 1, 2013 (Started Jul 01, 2013)

  • Effectiveness
    Major (for clostridium difficile)
  • Effectiveness
    Major (for pseudomembranous colitis)
  • Side effects
    Moderate (upset stomach, metallic taste in mouth)
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 500 mg Twice daily
Cost: < $25 monthly

  • 0 helpful marks

Jan 20, 2013 (Started Oct 26, 2012)

  • Effectiveness
    Major (for multiple sclerosis)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 500 mg Daily

  • 0 helpful marks
Last updated:
Showing 3 of 8 patient evaluations for Metronidazole