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A stomach distress with distaste for food and an urge to vomit.
Medical terms related to nausea :
Throwing Up, Dry Heaves, Sick to Stomach, Vomiting
Common causes of nausea: 
o Alcohol Abuse and Alcoholism
o Appendicitis
o Depression
o Diabetes
o Flu
o Food Poisoning
o Gastroenteritis (Stomach Flu)
o Viral Hepatitis
o Gastroparesis ( e.g. in diabetes)
o Medications
o Motion sickness or Seasickness
o Heart Attack
o Pancreatitis
Peptic Ulcer:
An ulcer in the wall of the stomach or duodenum resulting from the digestive action of the gastric acid on the mucous membrane.
o Vestibular Balance Disorders
Gastroesophageal Reflux Disease (GERD):
Gastroesophageal reflux disease occurs when the lower esophageal sphincter (LES) does not close properly and stomach contents leak back, or reflux, into the esophagus causing heartburn or histopathologic changes in the esophagus.

Other Causes of nausea:
o Cancer (Abdominal organs)
o Brain Tumor (Cancer)
o Bowel Obstruction
o Chemotherapy
o Radiation Therapy
An eating disorder that occurs mostly in females, is characterized by compulsive overeating usually followed by self-induced vomiting or laxative or diuretic abuse, and is often accompanied by sense of guilt and depression.
Addison Disease:
Adrenal gland insufficiency characterized by weight loss, muscle weakness, fatigue, low blood pressure, and sometimes darkening of the skin in both exposed and nonexposed parts of the body;called also Hypocortisolism.
Abnormal increase in the amount of cerebrospinal fluid within the cranial cavity resulting in expansion of the cerebral ventricles, enlargement of the skull and especially the forehead, and atrophy of the brain.
o Kidney Failure


Call your doctor if nausea is accompanied by: 
o Vomiting longer than 24 hours
o Bloody vomit
o Bile in vomit
o Severe abdominal pain
o Headache and stiff neck
o Dehydration signs:
Increased thirst, Infrequent urination or dark yellow urine, Dry mouth, Loss of normal skin elasticity (if you touch or squeeze the skin, it doesn't bounce back the way it usually does).

Diagnostic tests that may be performed include: 
o Blood tests (such as CBC-diff and basic electrolytes)
o Urinalysis
o X-rays of the abdomen

Medications for nausea may include: 
o Meclizine, Antivert, Bonine
o Metoclopramide (Reglan)
o Diphenhydramine (Benadryl)
o Lorazepam (Ativan)
o Amitriptyline. Elavil, Endep
o Nortriptyline, Pamelor, Aventyl
o Scopolamine, Transderm-scop
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Diagnosis of nausea, Reasons of nausea, Prevention of nausea, Definition of nausea, Treatments for nausea

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