1. Beriberi
2. Vitamin D deficiency
3. Testicular dysfunction
4. Pickwickian syndrome with morbid obesity (adult). BMI is 45.
5. CO2 retention
6. Hashimoto’s disease
7. Porphyria cutanea tarda
8. Gangrene toe due to diabetes
9. Secondary hyperparathyroidism
10. Adrenoleukodystrophy
11. Mild protein energy malnutrition (PEM)
12. Phenylketonuria (PKU)
13. Nutritional deficiency
14. Kallmann’s syndrome