A person's life expectancy with low hemoglobin levels depends on several factors, including the underlying cause of the low hemoglobin levels and the person's overall health. Generally speaking, people with severely low hemoglobin levels can experience life-threatening complications such as anemia and organ failure.
Anemia is a condition caused by low hemoglobin levels and can cause symptoms such as fatigue, shortness of breath, and dizziness. If left untreated, anemia can lead to serious complications including heart failure, stroke, and even death. Depending on the severity and underlying cause of anemia, a person may need lifelong treatment to manage their symptoms and keep their hemoglobin levels within a safe range.
In terms of organ failure, low hemoglobin levels can cause a decrease in the body's oxygen supply, leading to damage to organs such as the heart, lungs, and kidneys. This damage can lead to organ failure, which may be fatal in some cases. People with chronic diseases such as diabetes, kidney disease, or liver disease are particularly at risk for organ failure due to low hemoglobin levels.
Overall, the amount of time a person can live with low hemoglobin levels varies depending on the underlying cause, the severity of the condition, and the person's overall health. In severe cases, it can be fatal; however, with proper treatment, lifestyle changes, and regular monitoring, a person can often manage their symptoms and maintain a good quality of life.