What can cause constant nausea?
I have been nauseous for about a month, but I haven’t made any obvious lifestyle changes. It is constant, but usually light. It worsens occasionally, but for seemingly no reason. Does anyone have any suggestions as to what this might be?

Answer by Jayaraman
You have not mentiond whether you are a Male or Female. However please note what is nausea ?

Nausea and vomiting are very common symptoms that can be caused by a wide variety of conditions. Nausea and vomiting most often are due to viral gastroenteritis — often mistakenly termed “stomach flu” — or the morning sickness of early pregnancy. Many medications can cause nausea and vomiting, as can general anesthesia for surgery. Rarely, nausea and vomiting may indicate a serious or even life-threatening problem

CAUSES FOR NAUSEA -

Nausea and vomiting may occur separately or together. Common causes include:

Chemotherapy
Gastroparesis
General anesthesia
Migraine
Motion sickness: First aid
Overdose of alcohol, illicit substances or toxic substances
Rotavirus
Vertigo
Viral gastroenteritis (stomach flu)

Other possible causes of nausea and vomiting include:

Addison’s disease
Alcoholic hepatitis
Anaphylaxis
Anorexia nervosa
Appendicitis
Benign paroxysmal positional vertigo (BPPV)
Brain AVM (arteriovenous malformation)
Brain hemorrhage
Brain infarction
Brain tumor
Bulimia nervosa
Congenital adrenal hyperplasia
Crohn’s disease
Cyclic vomiting syndrome
Depression (major depression)
Diabetic ketoacidosis
Dizziness
Ear infection, middle ear
Food poisoning
Frontal lobe seizures
Gallstones
Generalized anxiety disorder
GERD
Head injury
Heart attack
Heart failure
Hirschsprung’s disease
Hydrocephalus
Hyperparathyroidism
Hyperthyroidism (overactive thyroid)
Hypoparathyroidism
Intestinal ischemia
Intestinal obstruction
Intracranial hematoma
Intussusception
Irritable bowel syndrome
Kidney failure, chronic
Liver cancer
Liver failure
Meniere’s disease
Meningitis
Milk allergy
Nonulcer stomach pain
Pancreatic cancer
Pancreatitis
Peptic ulcer
Porphyria
Pseudotumor cerebri
Pyloric stenosis
Radiation therapy
Retroperitoneal fibrosis
Social anxiety disorder (social phobia)
Stomach obstruction
Strep throat
Temporal lobe seizure
Traumatic brain injury -

constant nausea: What can cause constant nausea?

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