👉 Hematinuria is a condition in which there is an excessive loss of hemoglobin, a protein found in red blood cells, from the body. This can occur due to various causes such as iron deficiency, kidney disease, or other medical conditions. In hematinuria, the amount of hemoglobin lost through urine is more than normal, leading to a decrease in blood volume and potentially causing symptoms like fatigue, weakness, and shortness of breath. It's important to note that this condition can