At risk for thiamine deficiency, but no symptoms: thiamine 100mg PO q day
Give multivitamin PO; patient at risk for other vitamin deficiencies
The majority of chronic alcoholics do NOT require a banana bag
Thiamine 100mg IV
Folate 1mg IV (cheaper PO)
Multivitamin 1 tab IV (cheaper PO)
Magnesium sulfate 2mg IV
Normal saline as needed for hydration
Beriberi
Vitamin A deficiency
Chilblains
Vitamin B deficiencies
Trachoma
Vitamin B1 deficiency 
Chalazion
Scombroid