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To the Editor:—
In the above letter, in which it is stated that I saw "no reason for administering the B vitamins parenterally unless parenteral feeding was necessary," I am misquoted. My statement was that I saw no reason for administering these vitamins intravenously. There are a number of indications for the intramuscular administration of vitamins of the B complex. I agree that there are certain acute psychotic states in which parenteral (usually intramuscular) administration of B vitamins is useful. At times the vitamins are given with glucose by vein. Many of these psychotic states are associated with alcoholism, and there is reason to believe that vitamin B-complex deficiency is playing a role in these syndromes. The psychotic state itself may increase metabolism and, hence, requirement of some of the B vitamins. Some psychoses in non-alcoholic patients also respond to vitamins of the B complex in therapeutic doses. In such
Goldsmith GA. Parenteral Vitamin Therapy. JAMA. 1967;200(5):419-420. doi:10.1001/jama.1967.03120180107028