Chronic nausea is the sensation of wanting to vomit periodically, sometimes only having the sensation and other times actually vomiting, states HealthHype.com. Chronic nausea may be exacerbated by certain foods, motion, hunger or stress.
The most common causes of chronic nausea are acid reflux, gastritis or a peptic ulcer, notes HealthHype.com. Vomiting is often a part of gastrointestinal conditions, causing nausea to become aggravated after eating or when hungry. Hormonal-related conditions in females such as pregnancy, fertility drugs and PMS can cause chronic nausea. People undergoing chemotherapy are subject to nausea, as well as individuals taking certain medications. With systemic conditions such as kidney and liver failure, nausea can be a telling signal.
Chronic nausea is constant and can continue while a person is sleeping, according to HealthHype.com. It can return for episodes that at times resolve spontaneously. Dizziness, fainting, changes in bowel movements or urination when associated with lack of appetite, stomachache or abdominal pain can cause nausea. Poor concentration, memory or impaired cognition accompanied with nausea requires immediate medical attention. Nausea can be caused by head trauma, intracranial hemorrhage, raised intracranial pressure, infections such as meningitis and migraine headaches. In these cases, nausea is a very important symptom that must not be ignored.