Other common causes of unexpected weight loss

Unintentional weight loss doesn't always have an identifiable underlying cause but, in addition to the causes mentioned above,it's often the result of:

  • depression
  • an overactive thyroid gland (hyperthyroidism) , or over-treating an underactive thyroid
  • cancer
Content supplied by the NHS Website

Medically Reviewed by a doctor on 21 Dec 2018