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What is Vitamin B12 Injection?

Vitamin B-12 via intramuscular or deep subcutaneous injection is used to treat pernicious anemia; dietary deficiencies due to malabsorption diseases, inadequate secretion of intrinsic factor, and inadequate utilization; for increased requirements due to pregnancy.

Reported Purpose & Efficacy

Reasons and Efficacy
Purpose # of patients
# of patients with evaluations Efficacy
Major
Moderate
Slight
None
Can’t tell
Fatigue 99 29 Efficacy_major Efficacy_moderate Efficacy_slight Efficacy_none Efficacy_cant_tell
Vitamin B12 deficiency 70 16 Efficacy_major Efficacy_moderate Efficacy_slight Efficacy_none Efficacy_cant_tell
Vitamin B12 Deficiency 49 3 Efficacy_major Efficacy_moderate Efficacy_none
General health 35 12 Efficacy_major Efficacy_moderate Efficacy_slight Efficacy_cant_tell
Other 32 1 Efficacy_moderate
Chronic Fatigue Syndrome 21 4 Efficacy_major Efficacy_moderate Efficacy_none

See all 334 patients currently taking Vitamin B12 Injection

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Reported Side Effects

Side effects as an overall problem

Severe
1
Moderate
3
Mild
8
None
64

Reported Dosages

Frequently reported dosages based on patients currently taking Vitamin B12 Injection. See all 73 dosages

  weekly 1,000mcg/mL as needed 1 mg every 3 months 1 other monthly 1 mg monthly 1 mg every other week 1 mg weekly 1 mg daily 1 mg one time 1,000 mcg monthly
  8 Number of Patients: 8 7 Number of Patients: 7 7 Number of Patients: 7 5 Number of Patients: 5 113 Number of Patients: 113 36 Number of Patients: 36 54 Number of Patients: 54 18 Number of Patients: 18 3 Number of Patients: 3 5 Number of Patients: 5  

Reported Stop Reasons

Why Patients Stopped Taking Vitamin B12 Injection (multiple reasons could be selected)
Reason # Patients Percentage of patients
Course of treatment ended 25   Course of treatment ended: 30%
Other 22   Other: 26%
Did not seem to work 19   Did not seem to work: 23%
Doctor's advice 14   Doctor's advice: 17%
Expense 10   Expense: 12%
Personal research 2   Personal research: 2%
Not indicated 2   Not indicated: 2%
Change in health plan coverage 1   Change in health plan coverage: 1%

See all 81 patients who’ve stopped taking Vitamin B12 Injection

Currently Taking Vitamin B12 Injection

A bar graph

0-1 month 1-3 months 3-6 months 6 months-1year 1-2 years 2 years or more

Stopped Taking Vitamin B12 Injection

A bar graph

0-1 month 1-3 months 3-6 months 6 months-1year 1-2 years 2 years or more

Reported Adherence, Burden & Cost See details from patient evaluations

Adherence

Taking treatment as prescribed

Adherence of Vitamin B12 Injection

Always
57 75%
Usually
12 16%
Sometimes
4 5%
Never
3 4%

Burden

Difficulty being on treatment

Burden of Vitamin B12 Injection

Very
2 3%
Somewhat
16 21%
A little
34 45%
Not at all
24 32%

Cost

Paid out of pocket

Cost of Vitamin B12 Injection

$200+
2 4%
$100-199
3 6%
$50-99
2 4%
$25-49
7 14%
< $25
37 73%

See more information, including instructions, precautions, side effects, and interactions.

Report created on May 24, 2012.