What are the side effects of neurobion forte injection in dogs?

Neurobion forte is an injectable mix of three B vitamins, suspended in a slight amount of alcohol and mostly water. Side effects would normally include redness, irritation, mild pain or mild stiffness at the injection site. If the injection was close to a nerve, it is possible it would cause neuropathy such as severe pain, weakness, incoordination and other locomotion problems.