what can cause tiredness and nausea
Underlying medical conditions that can lead to nausea and fatigue include: 1  acute liver failure. 2  cancer. 3  chronic kidney disease. 4  food allergies. 5  hyperthyroidism.6  hypothyroidism.nderlying medical conditions that can lead to nausea and fatigue include: 1  acute liver failure. 2  cancer. 3  chronic kidney disease. 4  food allergies. 5  hyperthyroidism.