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.

Reported purpose & perceived effectiveness
Purpose Patients Evaluations Perceived Effectiveness
Diabetes type 2 2,688 986
Polycystic ovary syndrome 270 112
Prediabetes 123 65
Elevated blood sugar (hyperglycemia) 26 50
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
Severe 141
Moderate 188
Mild 233
None 591

Commonly reported side effects and conditions associated with Metformin

Side effect Patients
Diarrhea 201
Nausea 69
Stomach pain 33
Loose bowel movements 20
Low blood sugar (hypoglycemia) 12
Weight gain 12

Show all 142 reported side effects

Dosages

Based on patients currently taking Metformin

Dosage Patients
500 mg twice daily 84
500 mg daily 71
1,000 mg twice daily 61
1,000 mg daily 49
1,000 mg twice daily 41
2,000 mg daily 39
1,500 mg daily 10
1,000 mg daily 9
500 mg three times daily 7
850 mg twice daily 7

See all 47 dosages

Why patients stopped taking Metformin

Multiple reasons could be selected

Reason Patients
Side effects too severe 211
Doctor's advice 182
Did not seem to work 102
Other 79
Course of treatment ended 51
Personal research 17
Change in health plan coverage 13
Expense 9
See all 495 patients who've stopped taking Metformin

Duration

Currently taking Metformin

Duration Patients
Less than 1 month 1
1 - 6 months 19
6 months - 1 year 12
1 - 2 years 44
2 - 5 years 117
5 - 10 years 139
10 years or more 119

Stopped taking Metformin

Duration Patients
Less than 1 month 77
1 - 6 months 95
6 months - 1 year 47
1 - 2 years 63
2 - 5 years 108
5 - 10 years 71
10 years or more 37
Adherence
Adherence Evaluations
Always 837
Usually 208
Sometimes 32
Never taken as prescribed 76
Burden
Burden Evaluations
Very hard to take 68
Somewhat hard to take 112
A little hard to take 215
Not at all hard to take 758
Cost per month
Cost per month Evaluations
$200+ 8
$100-199 6
$50-99 9
$25-49 39
< $25 599
Not specified 492

What people switch to and from

Patients started taking Metformin after stopping:

Treatment Patients
Glipizide (Glipizide ER) 9
Glimepiride (Amaryl) 6
Glyburide (Glynase PresTab) 6
Insulin Glargine (Lantus) 6
Pioglitazone (Actos) 4

Show all 21 treatments patients report switching from

Patients stopped taking Metformin and switched to:

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

Show all 32 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 Jun 30, 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