Side effects are rare but may include injection-site pain, tingling, or mild dizziness
Clean environments support reliable injection preparation for patient safety
Do not administer Pemetrexed Injection until the ANC is at least 1500 cells/mm3 and platelet count is at least 100,000 cells/mm3
Cyanocobalamin remains stable in solution longer than methylcobalamin, simplifying storage and extending shelf life
J Neurol 270:477485 Phokaewvarangkul O et al (2023) Homocysteine, vitamin B metabolites, dopamine-substituting compounds, and symptomatology in Parkinsons disease: clinical and therapeutic considerations
[73] As noted above, the completely synthetic laboratory synthesis of B 12 was achieved by Robert Burns Woodward and Albert Eschenmoser in 1972, though this process has no commercial potential, requiring more than 70 steps and having a yield well below 0.01%