Similar to all applicants for contractor licenses, applicants seeking the C-22 Asbestos Abatement classification use the existing application forms â whether an application for an original license or an application to add a classification to an existing license.
B12 Side Effects. B12 occurs naturally in three forms: methylcobalamin, adenosylcobalamin, and hydroxocobalamin. Cyanocobalamin was created years ago in a lab using cyanide as a means for stabilization, and many low-quality supplements include this form.ome side effects have been reported for patients receiving cyanocobalamin injection. These include itching, acne, nausea, diarrhea, vascular thrombosis, headache, nervousness, and dizziness. Based on studies involving individuals, it appears 1 mg of cyanocobalamin via injection does not create any notable side effects.
Nervous System Reactions. After getting a vitamin B12 injection some people may experience a disturbance to the nervous system. These symptoms may include dizziness, difficulty walking normally, nervousness, anxiety, weakness and uncoordinated movements.lthough it is a rare occurrence, an allergic reaction may occur following a vitamin B12 injection. The reaction is thought to occur due to impurities in the B12 injection, notes Drugs.com.