Vitamin B1 (Thiamine) deficiency –
1. Beri Beri (Wet, dry etc)
2. Wernicke Korsakoff syndrome
Vitamin B2 (Riboflavin) deficiency –
1. Angular cheliosis
2. Corneal vascularization
3. Seborrheic dermatitis
Vitamin B3 (Niacin) deficiency –
1. Pellagra (4D: Dementia, Diarrhea, Dermatitis, Death)
2. Hartnup disease
3. Carcinoid syndrome (Seratonin production increase)
4. Vitamin B3 deficiency see in maize / corn earters
Vitamin B12 (Cobalamine) deficiency –
1. Macrocytic anemia
2. Hypersegmental neutrophil
