Reported purpose & perceived effectiveness
Purpose Patients Evaluations Perceived Effectiveness
Vitamin B12 deficiency 205 63
General health 190 90
Fatigue 60 28
Fibromyalgia 21 9
Multiple sclerosis 21 10

Show all 93 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 2
Moderate 5
Mild 7
None 224

Commonly reported side effects and conditions associated with Vitamin B12 (cyanocobalamin)

Side effect Patients
Back pain 1
Bruising 1
Diarrhea 1
Fatigue 1
Heavy sensation 1
Injection site pain 1

Show all 12 reported side effects

Dosages

Based on patients currently taking Vitamin B12 (cyanocobalamin)

Dosage Patients
1 mg daily 38
1,000 mcg daily 36
500 mcg daily 19
2,500 mcg daily 9
1 mg monthly 7
1 mg twice daily 7
5,000 mcg daily 7
2,000 mcg daily 6
1 mg weekly 5
1 tablet(s) daily 4

See all 63 dosages

Why patients stopped taking Vitamin B12 (cyanocobalamin)

Multiple reasons could be selected

Reason Patients
Other 41
Doctor's advice 27
Did not seem to work 23
Course of treatment ended 19
Expense 14
Personal research 4
Change in health plan coverage 1
Side effects too severe 1
See all 109 patients who've stopped taking Vitamin B12 (cyanocobalamin)

Duration

Currently taking Vitamin B12 (cyanocobalamin)

Duration Patients
1 - 6 months 10
6 months - 1 year 14
1 - 2 years 31
2 - 5 years 57
5 - 10 years 80
10 years or more 30

Stopped taking Vitamin B12 (cyanocobalamin)

Duration Patients
Less than 1 month 11
1 - 6 months 34
6 months - 1 year 21
1 - 2 years 22
2 - 5 years 15
5 - 10 years 6
10 years or more 1
Adherence
Adherence Evaluations
Always 179
Usually 34
Sometimes 10
Never taken as prescribed 15
Burden
Burden Evaluations
Very hard to take 3
Somewhat hard to take 8
A little hard to take 35
Not at all hard to take 192
Cost per month
Cost per month Evaluations
$200+ 0
$100-199 0
$50-99 0
$25-49 3
< $25 145
Not specified 90

What people switch to and from

Patients started taking Vitamin B12 (cyanocobalamin) after stopping:

Treatment Patients
Vitamin B12 (hydroxocobalamin) Injection (Hydro B12) 1
Last updated:

27 patient evaluations for Vitamin B12 (cyanocobalamin)

Oct 30, 2017 (Started Jan 15, 2015)

  • Effectiveness
    Moderate (for multiple sclerosis)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 5000 mcg Weekly
Cost: < $25 monthly

  • 0 helpful marks

Oct 7, 2017 (Started Jun 15, 2014)

  • Effectiveness
    Can't tell (for vitamin B12 deficiency)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 1 tablet(s) Daily

  • 0 helpful marks

Dec 20, 2016 (Started Jun 28, 2013)

  • Effectiveness
    Major (for vitamin B12 deficiency)
  • Effectiveness
    Can't tell (for loss of energy)
  • Effectiveness
    Can't tell (for General health)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 1000 mcg Daily
Advice & Tips: The amount of Vitamin B12 in my blood has improved GREATLY.
Cost: < $25 monthly

Feb 24, 2015 (Started Jun 28, 2013)

  • Effectiveness
    Slight (for loss of energy)
  • Effectiveness
    Can't tell (for General health)
  • Effectiveness
    Major (for vitamin B12 deficiency)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 1000 mcg Daily
Cost: < $25 monthly

  • 0 helpful marks
Last updated:
Showing 3 of 27 patient evaluations for Vitamin B12 (cyanocobalamin)