Nausea is the sensation of an urge to vomit. Nausea can also be associated with headache, fever, diarrhea, gas, and abdominal pain.Nausea can be caused by systemic illnesses (such as influenza), medications, pain, motion sickness etc.
Nicotinic acid, is one of the B-complex vitamins-B 3. It is used to treat high cholesterol in blood. Deficiency of niacin in the diet results in the disease pellagra ( Niacin definciency). Insufficient niacin in the diet can cause nausea, skin and mouth lesions, anemia, headaches, and tiredness.
An alkaloid (a nitrogen-containing chemical) made by the tobacco plant or produced synthetically. It is the main content in cigarettes. It shows a deteriorated effect on living beings. It increases the heart rate, heart stroke volume, and oxygen consumption by the heart.