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Cyanocobalamin Nasal Spray Side Effects

Common Side Effects

Cyanocobalamin nasal spray has been studied thoroughly in a clinical trial. In this study, the side effects that occurred in people using cyanocobalamin nasal spray were carefully documented and compared to the side effects that occurred in a similar group of people given intramuscular (an injection into a muscle) vitamin B12. As a result, it was possible to see what side effects occurred, how often they appeared, and how they compared to the other medicine.
Based on this clinical study, common side effects of this medication included:
  • Infections, including a sore throat and the common cold -- in up to 12.5 percent of people
  • Nausea -- up to 4.2 percent
  • Weakness and lack of energy -- up to 4.2 percent
  • Headache -- up to 4.2 percent
  • Stuffy or runny nose -- up to 4.2 percent
  • Tongue swelling (glossitis) -- up to 4.2 percent
  • Abnormal sensations of tingling, burning, pricking, or numbness of the skin -- up to 4.2 percent.

Final Thoughts

You may experience some or none of the side effects listed in this article. Unfortunately, there is no way for your healthcare provider to know beforehand if you will have problems with a medicine that you have never tried.
Therefore, make sure to let your healthcare provider know if you develop any side effects while using cyanocobalamin nasal spray or if something "just does not seem right." While it may not be related to the medication, your healthcare provider will be able to diagnose and treat the problem.

Cyanocobalamin Nasal Spray Information

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