What is Metformin?

Category: Prescription Drugs

Most popular types: Metformin ER Glucophage Diabex Show all

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Metformin an antidiabetic agent used for the management of type 2 diabetes mellitus (noninsulin dependent, NIDDM) as monotherapy when hyperglycemia (high blood sugar) cannot be managed with diet and exercise alone.

Find patients like you who take Metformin

Reported purpose & perceived effectiveness
Purpose Patients Evaluations Perceived Effectiveness
Diabetes type 2 23452 1043
Polycystic ovary syndrome 665 118
Prediabetes 265 74
Elevated blood sugar (hyperglycemia) 32 54
Insulin resistance 28 8

Show all 73 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 148
Moderate 190
Mild 244
None 643

Commonly reported side effects and conditions associated with Metformin

Side effect Patients Percentage
Diarrhea 212
Nausea 74
Stomach pain 35
Loose bowel movements 20
Low blood sugar (hypoglycemia) 13
Weight gain 13

Show all 156 reported side effects

Dosages

Based on patients currently taking Metformin

Dosage Patients Percentage
500 mg twice daily 40
500 mg daily 29
1000 mg twice daily 21
1000 mg daily 17
1,000 mg twice daily 17
2000 mg daily 13
500 mg three times daily 8
1500 mg daily 5
850 mg twice daily 3
750 mg daily 2

See all 35 dosages

Why patients stopped taking Metformin

Multiple reasons could be selected

Reason Patients Percentage
Side effects too severe 215
Doctor's advice 197
Did not seem to work 105
Other 84
Course of treatment ended 54
Personal research 19
Change in health plan coverage 15
Expense 10
See all 529 patients who've stopped taking Metformin

Duration

Currently taking Metformin

Duration Patients Percentage
Less than 1 month 2
1 - 6 months 7
6 months - 1 year 8
1 - 2 years 13
2 - 5 years 44
5 - 10 years 53
10 years or more 60

Stopped taking Metformin

Duration Patients Percentage
Less than 1 month 78
1 - 6 months 93
6 months - 1 year 50
1 - 2 years 66
2 - 5 years 115
5 - 10 years 74
10 years or more 39
Adherence
Adherence Evaluations Percentage
Always 885
Usually 225
Sometimes 35
Never taken as prescribed 80
Burden
Burden Evaluations Percentage
Very hard to take 76
Somewhat hard to take 117
A little hard to take 229
Not at all hard to take 803
Cost per month
Cost per month Evaluations Percentage
$200+ 8
$100-199 8
$50-99 9
$25-49 40
< $25 641
Not specified 519

What people switch to and from

Patients started taking Metformin after stopping:

Treatment Patients Percentage
Glipizide (Glipizide ER) 15
Glimepiride (Amaryl) 7
Insulin Glargine (Lantus) 7
Glyburide (Euglukon) 6
Sitagliptin (Januvia) 6

Show all 22 treatments patients report switching from

Patients stopped taking Metformin and switched to:

Treatment Patients Percentage
Glipizide (Glipizide ER) 29
Sitagliptin-metformin (Janumet) 24
Insulin Glargine (Lantus) 23
Glimepiride (Amaryl) 21
Liraglutide (Victoza) 18

Show all 40 treatments patients report switching to

Last updated:

58 patient evaluations for Metformin

Mar 10, 2020 (Started Jul 01, 2001)

  • Effectiveness
    Major (for diabetes type 2)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 500 mg Three times daily
Cost: < $25 monthly

Jan 1, 1996 (Started Jul 01, 2001)

  • Effectiveness
    Major (for diabetes type 2)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Advice & Tips: Easy to take. No side effects.
Cost: < $25 monthly

  • 0 helpful marks

Oct 25, 2017 (Started Jan 01, 2013)

  • Effectiveness
    Can't tell (for diabetes type 2)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 1,000 mg Daily
Advice & Tips: I can't tell if the Metformin helps or not.
Cost: < $25 monthly

  • 0 helpful marks

May 14, 2017 (Started Jul 01, 2008)

  • Effectiveness
    Can't tell (for polycystic ovary syndrome)
  • Side effects
    Moderate (diarrhea)
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 1000 mg Daily
Cost: < $25 monthly

Aug 20, 2015 (Started Jul 01, 2008)

  • Effectiveness
    Major (for polycystic ovary syndrome)
  • Side effects
    Mild (diarrhea)
  • Adherence
    Usually
  • Burden
    A little hard to take
Dosage: 1000 mg Daily
Cost: < $25 monthly

Jul 11, 2013 (Started Jul 01, 2008)

  • Effectiveness
    Major (for polycystic ovary syndrome)
  • Side effects
    Moderate (diarrhea)
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 1000 mg Daily
Cost: < $25 monthly

May 8, 2013 (Started Jul 01, 2008)

  • Effectiveness
    Major (for polycystic ovary syndrome)
  • Side effects
    Moderate (diarrhea)
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 1000 mg Daily
Advice & Tips: Take with a substantial meal.
Cost: < $25 monthly

Jan 11, 2012 (Started Jul 01, 2008)

  • Effectiveness
    Moderate (for polycystic ovary syndrome)
  • Side effects
    Mild (diarrhea)
  • Adherence
    Usually
  • Burden
    Not at all hard to take
Dosage: 1000 mg Daily
Cost: < $25 monthly

  • 0 helpful marks
Last updated:
Showing 3 of 58 patient evaluations for Metformin