Nausea And Vomiting

Nausea is a condition in which a person feels an involuntary urge to vomit due to uneasiness and discomfort in the Upper Stomach but doesn’t always vomit.

Vomiting, medically called Emesis, is the involuntary expulsion of stomach’s contents through mouth or sometimes through nose.



The most common causes of nausea are as follows.

  • Food Poisoning is usually caused due to toxins produced by food bacteria. The condition lasts for almost one or two days.

  • Use of medications is another cause of nausea. Some of the medications associated with Nausea include Cancer’s systemic Chemotherapy Regimens and Anesthetic Agents.

  • Pregnancy is another cause of nausea. Commonly during second and third trimester of pregnancy Nausea or Morning sickness happens. That is why Nausea is considered as a possible symptom of pregnancy.

  • Disequilibrium or lack of balance involving conditions like Motion Sickness and Vertigo also lead to Nausea and Vomiting.

  • Stress and Depression can also be a cause of Nausea and Vomiting.

  • It can occur in a number of conditions including Diabetic Ketoacidosis, Brain tumor, Pancreatitis, Meningitis, Appendicitis, Hepatitis etc.


Causes for Vomiting are classified into two categories which are as follows.

  • Digestive Tract causes:-

    • Gastritis (Gastric Wall Inflammation)

    • Pyloric Stenosis (Projectile Vomiting)

    • Overeating

    • Food Poisoning

    • Lactose Intolerance

  • Sensory System and Brain causes:-

    • Motion Sickness

    • Meniere’s Disease

    • Concussion

    • Migraine

    • Uremia (Renal Failure)

    • Pregnancy. Normally it is mild, but it might get severe- a condition known as Hyperemesis Gravidarum requiring immediate treatment.

    • Swine Flu



Treatment of Nausea include following steps and medications.

  • Dimenhydrinate (Gravol) is a common counter medicine for Nausea.

  • Cannabinoids drug is helpful in reduction of Nausea and Vomiting caused by Cancer Chemotherapy.

  • Legal Medicinal Marijuana is an effective remedy for Nausea.


Treatments of Vomiting can be attained by following methods:

  • Rehydration with Oral Electrolyte solution.

  • Intravenous Rehydration.

  • Dimenhydrinate (Gravol)

  • Diphenhydramine (Benadryl)

  • Dolasetron (Anzemet administered in form of tablet or injection)

  • Domperidone (Motilium)

These Antiemetic functions by resisting the receptors site in contact with Emesis.