Emotional stress at home or from work may cause you to lose your appetite or even forget to eat during especially stressful events.

Depression and stress also makes one lose appetite.

Certain medications used for treating migraines, high blood pressure, depression, anxiety etc. also cause loss of appetite.

During the early weeks of pregnancy, you may lose your appetite and develop aversion for certain types of foods.

Nasal congestion from allergies, sinus infections and even common cold may cause you to temporarily lose your sense of smell and your appetite.

Acute sinusitis and other respiratory infections can cause you to lose your appetite for several weeks and may even result in weight loss.

Caused by contaminated food or water, gastroenteritis can cause loss of appetite, watery diarrhoea, vomiting and abdominal cramps.

It is a high contagious bacterial throat infection. The symptoms are very uncomfortable and oftentimes result in a loss of appetite.

Eating disorders such as anorexia nervosa are commonly associated with a loss of appetite. Anorexia nervosa causes the person to limit the amount of food she intakes

Any fever can cause temporary loss of appetite.