- Thyroid or Liver disease
- Liver or Kidney failure Anesthesia
- Childbirth
- Starting or stopping birth control pills
- Very high fever
- Severe Stress and Tension
- Anemia
- Hypothyroidism or Hyperthyroidism
- Essential fatty acid deficiency
- Zinc deficiency
- Any condition that upsets the Hormone system of body
- Protein deficiency (Common with vegetarian diets)
- Loss of Appetite or Dieting
- Too much intake of vitamin A
- Local viral, fungal, or protozoan infection
- Drug toxicity
- Antimitotic – such as those used for cancer chemotherapy
- Bromocriptine – used to stop lactation (Breast Milk)
- High B.P. Medicines (Beta blockers / ACE inhibitors)
- Appetite destroyer (Amphetamines)