Unintentional weight loss is often a manifestation of significant underlying disease and should never be ignored.

Causes

Systemic disease

  • ●

    Malignancy

  • ●

    Cardiac failure

  • ●

    Chronic respiratory disease

  • ●

    Renal failure

  • ●

    Liver failure

  • ●

    Malabsorption

  • ●

    Connective tissue disease (e.g. SLE, rheumatoid arthritis)

Endocrine

  • ●

    Diabetes mellitus

  • ●

    Hyperthyroidism

  • ●

    Addison’s disease

Infective

  • ●

    TB • (very common in the developing world and on the increase in the developed world)

  • ●

    HIV • (very common in the developing world)

  • ●

    Helminth (worms) infection • (very common in endemic areas)

Psychiatric

  • ●

    Depression

  • ●

    Anorexia nervosa

Other

  • ●

    Any terminal illness

  • ●

    Substance abuse (e.g. laxatives, amphetamines, opiates)

  • ●

    Drugs, e.g. excessive thyroxine replacement

  • ●

    Malnutrition ( Fig. 65 ) • (common in developing countries)

    Figure 65, Obvious signs of weight loss with widespread muscle and soft-tissue wasting in a malnourished patient .

You're Reading a Preview

Become a Clinical Tree membership for Full access and enjoy Unlimited articles

Become membership

If you are a member. Log in here