Why vomiting occurs?

In adult vomiting occurs due to food poisoning, any infection, illness or motion sickness along with high fever. Different stimuli can cause vomiting to occur. These stimuli ranges from kidney stones to migraines. Sometimes it happens that after seeing someone vomiting can cause other to start vomit at the same time.

Infant vomiting occurs due to:

• Viral infection
• Food poisoning
• Motion sickness
• Overheating
• Coughing
• Illness with high fever
• Infection in respiratory tract , urine or ears

Repeated or prolonged vomiting is very dangerous and indicate a serious illness in a body. The serious causes include:

• Intestine obstruction
• Kidney failure
• Coeliac disease
• Intracranial pressure due to tumor
• Food intolerance
• Travel sickness
• Chronic renal failure
• Brain tumor

Vomiting is not a disease itself but it is a symptom of many diseases, vomiting and diarrhea being supporting symptoms of different diseases. Headache and vomiting commonly occurs in migraine.