Some of the most common causes that may lead to dizziness, tiredness and nausea include dehydration, sleep deprivation, heart rhythm disorder, low blood pressure, food poisoning and carbon monoxide poisoning. If the symptoms persist, consult a doctor for a clear diagnosis.
A combination of dizziness, tiredness and nausea may be a symptom of for many conditions related to heart and digestive problems. According to WebMD, there are 125 diseases associated with these symptoms. One of the most common reasons for these symptoms is dehydration. Not drinking enough liquids can lead to various other symptoms, which include rapid breathing, fever, very dry mouth and low blood pressure.
Dizziness and tiredness also appear frequently in people with hypotension. In this case, these symptoms tend to get worse when going from a lying to a standing position. Low blood pressure may cause heart attacks, strokes and kidney failure, so it is important to check the blood pressure regularly. This is especially important for persons with a hypotension history. In case of food poisoning, dizziness, tiredness and nausea are often accompanied by diarrhea, abdominal pain, weakness and chills. Sleep deprivation may cause these symptoms as well, which are sometimes severe enough to compromise the well-functioning of the body.