11. Fatigue
Another common symptom of upper urinary tract infections is the presence of asthenia or fatigue as it is more commonly called. Fatigue can be best described as a general feeling of weakness, drowsiness, or lassitude. Some patients report feeling a distinct lack of energy and motivation or the presence of physical exhaustion and tiredness.
When the kidneys are involved in the development of fatigue, the retention of uncleared toxic substances is responsible.
Other frequent causes of fatigue are cardiac disease and oncological disease, as well as the consumption of drugs, clinical depression, sleep disorders, etc.
