Table 2.
Conditions associated with thiamine deficiency.
| Alcoholism | Anorexia nervosa |
| Bariatric surgery | Chronic vomiting |
| Drugs: metformin, omeprazole, diuretics | Diabetes mellitus |
| Folic acid deficiency | Thiaminase |
| Chronic diarrhea | Malignancy |
| Hyperemesis gravidarum | HIV infection |
| Diet deficient in thiamine | Malabsorption |
| Ataxia type II | Refeeding syndrome |
| Megaloblastic anemia | Hyperthyroidism |
| Chemotherapeutic treatments | Systemic diseases |