Diseases caused by Vitamin Deficiency..... Deficiency Diseases Vitamin Ariboflavinosis Vitamin B2 (Riboflavin) Anemia Vitamin B6 Beriberi Vitamin B1 (Thiamine) Biotin Vitamin B7 (Biotin) Bleeding disease Vitamin K Color-blindness Vitamin A Conjunctivitis Vitamins A, B2, C (B6, Zinc) Hypocobalaminemia Vitamin B12 Keratomalacia Vitamin A Night Blindness Vitamin A Pellagra Vitamin B3 (Niacin) Paraesthesia Vitamin B5 Photophobia Vitamin B2 Rickets Vitamin D Osteomalacia Vitamin D Scurvy Vitamin C