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Nausea and vomiting

Monday, November 3rd 2014. | Nausea and vomiting

Nausea and vomiting are symptoms of an underlying illness and not a specific disease. They are common symptoms that can be caused by numerous conditions. Nausea and vomiting most often are due to viral gastroenteritis, often mistakenly termed as stomach flu or the morning sickness of early pregnancy. Rarely, nausea and vomiting may indicate a serious or even life-threatening problem. Nausea is the sensation that the stomach wants to empty itself, while vomiting or throwing up, is the act of forcible emptying of the stomach.Vomiting

Causes
The main causes of nausea and vomiting are stress, fear, anxiety, overeating or eating disorders, food poisoning, pregnancy, food allergy, medication, migraine and hangover. The symptoms may be due to chemotherapy, acute gastritis, central causes in which signals from the brain cause nausea and vomiting, medications and medical treatments and mechanical obstruction of the bowel. The causes of vomiting differ according to age. For children, it is common for vomiting to occur from a viral infection, food poisoning, milk allergy, motion sickness, overeating or feeding, coughing, or blocked intestines and illnesses in which the child has a high fever.
Symptoms
Nausea is a feeling of unease that frequently includes an upset stomach, dizziness, and anxiety. There is often an urge to vomit. This sensation often feels as if it comes from the stomach, but it is mostly controlled by the brain. Vomiting, however, frequently improves the sensation of nausea, at least temporarily. Vomiting occurs when the stomach forcefully expels its contents out of the mouth. When vomiting leads to dehydration from loss of fluids, the affected person may have increased thirst, dry lips, and dry mouth. In children, signs of dehydration include dry lips and mouth, sunken eyes, rapid breathing, lethargy, and dry diaper, indicating the child is not urinating.
Treatment
Home treatments can help relieve nausea by drinking clear, cold water and by eating only light, bland foods like crackers or plain bread. Stay away from fried or greasy foods and steer clear of sweets. Eat small meals and eat them slowly and rest a while after eating with your head elevated. After determining the cause of nausea and vomiting, there are prescription drugs that your doctor can give you if the symptoms are not getting better on their own. Most of the time, nausea and vomiting go away on their own and can be managed at home. Treatment for nausea and vomiting usually involves medications to decrease the nausea and fluid replacement for dehydration.

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