Hello, Accumulation of nitrogenous waste products in the body spread toxicity that causes symptoms like headache, bloating, fatigue, etc. You are suggested to avoid constipation, stay well hydrated and take laxatives at bed time for easy bowel movement. Constipation triggers acid reflux and gastritis which causes headache and other discomfort. Take antacids and PPIs to ease bloating. Avoid oily spicy junk food and take fresh healthy home food to stay away from bloating. Since you are fatigued, get a complete medical check up done to detect your fitness status, get investigations and tests done help treatment get started at the earliest. Take multivitamin supplements and adequate rest. Lack of sleep, anemia and stressful lifestyle may cause fatigue. Take food rich in iron, minerals and protein. Get treated at the earliest. Take care. Hope I have answered your question. Let me know if I can assist you further. Regards, Dr. Nupur K., General & Family Physician