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 2708 994
Polycystic ovary syndrome 274 115
Prediabetes 125 68
Elevated blood sugar (hyperglycemia) 26 51
Insulin resistance 20 8

Show all 64 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 145
Moderate 189
Mild 234
None 600

Commonly reported side effects and conditions associated with Metformin

Side effect Patients Percentage
Diarrhea 203
Nausea 69
Stomach pain 33
Loose bowel movements 21
Low blood sugar (hypoglycemia) 13
Weight gain 12

Show all 144 reported side effects

Dosages

Based on patients currently taking Metformin

Dosage Patients Percentage
500 mg twice daily 83
500 mg daily 59
1000 mg twice daily 47
1,000 mg twice daily 38
1000 mg daily 37
2000 mg daily 32
1,000 mg daily 8
500 mg three times daily 8
2 x 500 mg/5 mL daily 6
1500 mg daily 6

See all 44 dosages

Why patients stopped taking Metformin

Multiple reasons could be selected

Reason Patients Percentage
Side effects too severe 214
Doctor's advice 186
Did not seem to work 103
Other 80
Course of treatment ended 51
Personal research 18
Change in health plan coverage 13
Expense 9
See all 503 patients who've stopped taking Metformin

Duration

Currently taking Metformin

Duration Patients Percentage
Less than 1 month 1
1 - 6 months 8
6 months - 1 year 16
1 - 2 years 35
2 - 5 years 96
5 - 10 years 121
10 years or more 97

Stopped taking Metformin

Duration Patients Percentage
Less than 1 month 77
1 - 6 months 94
6 months - 1 year 51
1 - 2 years 64
2 - 5 years 109
5 - 10 years 73
10 years or more 39
Adherence
Adherence Evaluations Percentage
Always 846
Usually 212
Sometimes 32
Never taken as prescribed 78
Burden
Burden Evaluations Percentage
Very hard to take 72
Somewhat hard to take 112
A little hard to take 218
Not at all hard to take 766
Cost per month
Cost per month Evaluations Percentage
$200+ 8
$100-199 6
$50-99 9
$25-49 39
< $25 607
Not specified 499

What people switch to and from

Patients started taking Metformin after stopping:

Treatment Patients Percentage
Glipizide (Glipizide ER) 9
Glimepiride (Amaryl) 6
Glyburide (Glynase PresTab) 6
Insulin Glargine (Lantus) 5
Sitagliptin (Januvia) 5

Show all 21 treatments patients report switching from

Patients stopped taking Metformin and switched to:

Treatment Patients Percentage
Glipizide (Glipizide ER) 19
Insulin Glargine (Lantus) 16
Glimepiride (Amaryl) 15
Sitagliptin (Januvia) 13
Sitagliptin-metformin (Janumet) 13

Show all 33 treatments patients report switching to

Last updated:

59 patient evaluations for Metformin

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: 500 mg Twice daily
Advice & Tips: I can't tell if the Metformin helps or not.
Cost: < $25 monthly

  • 0 helpful marks

May 14, 2017 (Started Jun 30, 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 Jun 30, 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 Jun 30, 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 Jun 30, 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 Jun 30, 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

Jan 18, 2017 (Started Jul 01, 2004)

  • Effectiveness
    Major (for diabetes type 2)
  • Side effects
    None
  • Adherence
    Usually
  • Burden
    Not at all hard to take
Dosage: 2000 mg Daily
Advice & Tips: Advice don't stop this medication just because you can't afford it. Find a way. I did this and my A1c went from 6.7 to 8.4. So my doctor put me on a higher dose. So far my history of blood sugar results keep low and consistent.

  • 0 helpful marks
Last updated:
Showing 3 of 59 patient evaluations for Metformin