how long can you live with one kidney
I am starting to freak out a little thinking about my dad. He had one kidney removed like, five years ago due to cancer and he's been fine, at least that’s what he tells us. I was always told that people can live normal lives with one kidney, but I keep getting these scary thoughts about how long can you live with one kidney. The other day, he mentioned feeling a bit tired and I was like "is this normal or should I worry?". He says everything's cool and his doctor said he’s healthy, but what if that’s just what he wants us to think? He does have regular check-ups and stuff, but what about those stories you hear? I'm just trying to understand, how long can you live with one kidney? Like, is there a certain age or how much care does someone need to take? I mean, my mom says he shouldn’t do heavy lifting, but he still works a pretty physical job. Should we push for more tests or something? How long can you live with one kidney in this kinda situation? If anybody has some insight or experience, that would help calm my mind a bit. Thanks!
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Doctors' responses
Living with one kidney is usually perfectly manageable and many people lead long, healthy, and perfectly regular lives with only a single kidney. When one kidney is removed, as in your dad’s case after cancer, the remaining kidney often adapts to compensate for the loss. This process is called compensatory hypertrophy, where the remaining kidney can grow bigger and increase its function to handle more workload than before. Generally, this means that someone can live just as long with one kidney as they might with two, assuming they take reasonable care of their health. Taking care of his remaining kidney might involve regular check-ups, maintaining a balanced diet that’s not too heavy in protein, staying hydrated (but not overly so), and watching out for any issues with blood pressure. Healthcare providers often suggest avoiding activities that might risk injury to the kidney—like contact sports—or excessive heavy lifting, to not put undue strain on it. If he’s working a physical job, it might be a good idea for him to regularly monitor his renal function with blood tests to ensure everything is still functioning optimally. Feeling tired can be due to a myriad of reasons that are not necessarily kidney-related, such as stress, sleep quality, or diet. It’s essential to keep an open line of communication with his healthcare team and to not hesitate to ask for more frequent monitoring if it’d bring peace of mind for you and your family. Red flag symptoms such as changes in urine output, swelling, persistent fatigue, or difficulty breathing deserve a conversation with his doctor. Encourage him to continue following his doctor’s advice, and as long as he’s not showing concerning symptoms, he’s likely on the right track.
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