Cause of vomiting
Nausea is an uneasiness of the stomach that often comes before vomiting. Vomiting is the forcible voluntary or involuntary emptying ("throwing up") of stomach contents through the mouth. What Causes Nausea or Vomiting? Nausea and vomiting are not diseases, but they are symptoms of many conditions such as: Motion sickness or seasickness Early stages of pregnancy (nausea occurs in approximately 50%-90% of all pregnancies; vomiting in 25%-55%) Medication-induced vomiting Intense pain Emotional stress (such as fear) Gallbladder disease Food poisoning Infections (such as the "stomach flu") Overeating A reaction to certain smells or odors Heart attack Concussion or brain injury Brain tumor Ulcers Some forms of cancer Bulimia or other psychological illnesses Gastroparesis or slow stomach emptying (a condition that can be seen in people with diabetes) Ingestion of toxins or excessive amounts of alcohol Bowel obstruction Appendicitis
