What is Vitamin B12 Prescription (cyanocobalamin)?

Category: Prescription Drugs

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Vitamin B12 is used to treat pernicious anemia and deficiencies of the vitamin due to certain diseases. High-dose tablets may be as effective as supplementing Vitamin B12 with injections. Such prescription-strength supplementation should be discussed with and supervised by a physician.

Reported purpose & perceived effectiveness
Purpose Patients Evaluations Perceived Effectiveness
Vitamin B12 deficiency 49 22
Fatigue 24 16
Loss of energy 17 10
Anemia 3 1
Fibromyalgia 3 5
ALS (Amyotrophic Lateral Sclerosis) 2 1

Show all 21 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 0
Moderate 1
Mild 0
None 31

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

Side effect Patients

Dosages

Based on patients currently taking Vitamin B12 Prescription (cyanocobalamin)

Dosage Patients
1,000 mcg daily 3
1 mg monthly 2
1 mL monthly 2
2 mg weekly 1
1 mg m,w,f 1
3 mg weekly 1
2 mL daily 1
1,000 mcg monthly 1
1,000 mg weekly 1
500 mg daily 1

Why patients stopped taking Vitamin B12 Prescription (cyanocobalamin)

Multiple reasons could be selected

Reason Patients
Other 8
Course of treatment ended 5
Did not seem to work 3
Doctor's advice 3
Expense 2
Change in health plan coverage 1
Personal research 1
Side effects too severe 1
See all 20 patients who’ve stopped taking Vitamin B12 Prescription (cyanocobalamin)

Duration

Currently taking Vitamin B12 Prescription (cyanocobalamin)

Duration Patients
1 - 6 months 1
1 - 2 years 2
2 - 5 years 2
5 - 10 years 7
10 years or more 2

Stopped taking Vitamin B12 Prescription (cyanocobalamin)

Duration Patients
1 - 6 months 2
6 months - 1 year 7
1 - 2 years 4
2 - 5 years 6
5 - 10 years 1
Adherence
Adherence Evaluations
Always 21
Usually 7
Sometimes 4
Never taken as prescribed 0
Burden
Burden Evaluations
Very hard to take 0
Somewhat hard to take 8
A little hard to take 6
Not at all hard to take 18
Cost per month
Cost per month Evaluations
$200+ 0
$100-199 0
$50-99 2
$25-49 0
< $25 24
Not specified 6

What people switch to and from

Patients started taking Vitamin B12 Prescription (cyanocobalamin) after stopping:

Treatment Patients
Vitamin B12 Injection (Medivitan) 3

Patients stopped taking Vitamin B12 Prescription (cyanocobalamin) and switched to:

Treatment Patients
Vitamin B12 Injection (Medivitan) 2
Last updated:

4 patient evaluations for Vitamin B12 Prescription (cyanocobalamin)

20 members have decided to share their profiles only with other members of PatientsLikeMe.

TamiLynn
775 thumb
TamiLynn
Sex: F
Data Quality: 2 stars
Off
Mouth/throat: none
Arms: mild
Chest: none
Legs: mild
I am: vg
I have:
Parkinson's

See TamiLynn's full Vitamin B12 Prescription (cyanocobalamin) history

Jan 3, 2017 (Started Jan 16, 2009)

  • Effectiveness
    Can’t tell (for Other)
  • Side effects
    None
  • Adherence
    Sometimes
  • Burden
    A little hard to take
Dosage: 1000 mcg Daily
Cost: < $25 monthly

  • 0 helpful marks
thjuland
647 thumb
thjuland
Sex: M
Data Quality: 3 stars
Sensation: Mild
Overall: Mild
Cognition: moderate
Vision: moderate
Speech: mild
Swallowing: mild
Upper limb: mild
Walking: moderate
I am: vg
I have:
MS

See thjuland's full Vitamin B12 Prescription (cyanocobalamin) history

May 11, 2016 (Started Aug 03, 2012)

  • Effectiveness
    Major (for Vitamin B12 deficiency)
  • Effectiveness
    Moderate (for Multiple Sclerosis)
  • Effectiveness
    Slight (for Loss of energy)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Advice & Tips: this continues to work, I never stopped.
Cost: < $25 monthly

May 8, 2016 (Started Aug 03, 2012)

  • Effectiveness
    Slight (for Vitamin B12 deficiency)
  • Effectiveness
    Slight (for Multiple Sclerosis)
  • Effectiveness
    Slight (for Loss of energy)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Advice & Tips: This treatment remains effective.
Cost: < $25 monthly

Mar 15, 2016 (Started Aug 03, 2012)

  • Effectiveness
    Moderate (for Vitamin B12 deficiency)
  • Effectiveness
    Moderate (for Multiple Sclerosis)
  • Effectiveness
    Moderate (for Loss of energy)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Advice & Tips: i have not stopped this treatment.
Cost: < $25 monthly

Feb 15, 2016 (Started Aug 03, 2012)

  • Effectiveness
    Major (for Vitamin B12 deficiency)
  • Effectiveness
    Moderate (for Multiple Sclerosis)
  • Effectiveness
    Slight (for Loss of energy)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 1 mg Weekly
Advice & Tips: this works
Cost: < $25 monthly

Sep 21, 2015 (Started Aug 03, 2012)

  • Effectiveness
    Major (for Vitamin B12 deficiency)
  • Effectiveness
    Can’t tell (for Multiple Sclerosis)
  • Effectiveness
    Can’t tell (for Loss of energy)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 1 mg Weekly
Advice & Tips: it works well.
Cost: < $25 monthly

Sep 29, 2012 (Started Aug 03, 2012)

  • Effectiveness
    Moderate (for Loss of energy)
  • Effectiveness
    Major (for Vitamin B12 deficiency)
  • Effectiveness
    Slight (for Multiple Sclerosis)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 1 mg Weekly
Advice & Tips: improved stamina
Cost: < $25 monthly

  • 0 helpful marks
giantsfan4ever
28213 thumb
giantsfan4ever
Sex: F
Data Quality: 2 stars
Sensation: Moderate
Overall: Moderate
Cognition: moderate
Vision: moderate
Speech: mild
Swallowing: moderate
Upper limb: moderate
Walking: moderate
I am: n
I have:
MS

See giantsfan4ever's full Vitamin B12 Prescription (cyanocobalamin) history

Dec 1, 2012 (Started May 17, 2011)

  • Effectiveness
    Slight (for Fatigue)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 1 mg Monthly
Cost: < $25 monthly

Jul 1, 2011 (Started May 17, 2011)

  • Effectiveness
    Major (for Fatigue)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 1 mg Monthly
Advice & Tips: I'm surprized that these shots helped my fatigue. I took the shots weekly for 6 wks but now will go to once a month.
Cost: < $25 monthly

May 20, 2011 (Started May 17, 2011)

  • Effectiveness
    Major (for Fatigue)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 1 mg Monthly
Advice & Tips: I was totally surprized that this would help my fatigue. I didn't think anything would help.
Cost: < $25 monthly

  • 0 helpful marks
Last updated:
Showing 3 of 4 patient evaluations for Vitamin B12 Prescription (cyanocobalamin)