Methylcobalamin, vitamin B12 preparations containing benzyl alcohol should be avoided in premature neonates because benzyl alcohol has been associated with gasping syndrome, a potentially fatal condition characterized by metabolic acidosis and CNS, respiratory, circulatory, and renal dysfunction
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Retrieved 11 February 2026
Dietary Changes: Talk with your veterinarian about dietary options, such as novel protein diets (like rabbit or venison), hydrolyzed protein diets, high-fiber diets or homemade elimination diets
Active ingredient: cyanocobalamin Inactive ingredients: benzalkonium chloride in purified water, citric acid, glycerin and sodium citrate
The most common side effect is temporary mild irritation at the injection site