Cyanocobalamin

Common brands: Nascobal, Non-Proprietary Name, Vitamin D, Pain Relief, Tylenol Extra Strength

Top reporter: Par Health Usa, Llc

Vitamin B12 [EPC]Nonsteroidal Anti-inflammatory Drug [EPC]Corticosteroid [EPC]Vitamin C [EPC]Provitamin D2 Compound [EPC]
31,935
Total Reports
16,328
Serious Reports
3,162
Death Reports
30
Reported Reactions
Death Report Ratio: High (9.90%)

Patient Demographics

Male
10,261
Female
19,111

Reported Adverse Reactions (30)

Side effects reported in FDA adverse event reports for Cyanocobalamin.

# Reaction Reports % of Total
1 FATIGUE 3,217
6.8%
2 NAUSEA 2,646
5.6%
3 OFF LABEL USE 2,352
5.0%
4 HEADACHE 2,313
4.9%
5 DIARRHOEA 2,155
4.6%
6 PAIN 2,145
4.5%
7 DRUG INEFFECTIVE 2,094
4.4%
8 DYSPNOEA 2,036
4.3%
9 VOMITING 1,736
3.7%
10 ARTHRALGIA 1,709
3.6%
11 ASTHENIA 1,708
3.6%
12 FALL 1,668
3.5%
13 DIZZINESS 1,592
3.4%
14 PNEUMONIA 1,438
3.0%
15 PYREXIA 1,427
3.0%
16 HYPERTENSION 1,400
3.0%
17 MALAISE 1,377
2.9%
18 CONDITION AGGRAVATED 1,342
2.8%
19 RASH 1,322
2.8%
20 WEIGHT DECREASED 1,189
2.5%
21 DEATH 1,137
2.4%
22 ANXIETY 1,132
2.4%
23 PRURITUS 1,116
2.4%
24 ABDOMINAL PAIN 1,083
2.3%
25 INSOMNIA 1,043
2.2%
26 NASOPHARYNGITIS 1,040
2.2%
27 COUGH 1,019
2.2%
28 GASTROOESOPHAGEAL REFLUX DISEASE 980
2.1%
29 PAIN IN EXTREMITY 970
2.0%
30 DECREASED APPETITE 965
2.0%

Important Disclaimer

FDA adverse event reports are submitted voluntarily and do not prove causation. A reported reaction does not mean the drug caused it. Drugs with more users naturally have more reports. Always consult your doctor or pharmacist before making medication decisions.