Nausea is the sensation of an urge to vomit. Nausea can also be associated with a headache, fever, diarrhoea, 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 the blood. Deficiency of niacin in the diet results in the disease pellagra ( Niacin deficiency). Insufficient niacin in the diet can cause nausea, skin and mouth lesions, anaemia, 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.