Symptoms of an allergic reaction may include shortness of breath, wheezing or difficulty breathing
These intramuscular injections, usually containing cyanocobalamin or methylcobalamin, are administered weekly or monthly as prescribed by a healthcare provider
Providers may be more cautious and order labs if you have kidney disease, heart issues, other chronic conditions, or if you are interested in more intensive or frequent IV treatments
4 Tumor metastasis Tumor metastasis is also the deadliest feature of cancer progression, with several molecular pathways coordinating biological cellular events in the metastatic cascade
hence, it is more preferable than cyanocobalamin for the treatment of vitamin B12 deficiency.[1][2][3][4] Cyanocobalamin does not naturally exist in foods owing to the presence of cyanide, which is absent in the natural form of the vitamin