Folate Deficiency Alcohol interferes with its intermediate metabolism and absorption. Folic acid deficiency may develop in long-term anticonvulsant therapy or with use of oral contraceptives. EFO:0001070 Folic Acid Deficiency A nutritional condition produced by a deficiency of folic acid in the diet. Deficiency of Folic Acid This deficiency causes anemia, macrocytic anemia, and megaloblastic anemia. It is indistinguishable from vitamin B 12 deficiency in peripheral blood and bone marrow findings, but the neurologic lesions seen in B 12 deficiency do not occur. (Merck Manual, 16th ed) Folic Acid Deficiencies Deficiency of Folic Acid (Disorder) Sufficient SCDO:0009117 Avitaminosis