| Wernicke’s Encephalopathy | Mental status changes, ocular abnormalities, gait ataxia |
| Wet Beriberi | High-output cardiac failure with edema |
| Dry Beriberi | High-output cardiac failure without edema |
| Neuritic Beriberi | Polyneuropathy |
| Gastrointestinal Beriberi | Abdominal pain, lactic acidosis, vomiting |