Loss of appetite, nausea, and vomiting are well-known symptoms of severe kidney failure. Typically they appear when the blood urea concentration gets quite high, but some changes in appetite, particularly an aversion to meat, may occur much earlier. Weight loss is uncommon early on. Our study, summarized in detail at the end of this chapter, suggests that anemia may be a significant factor in nausea and vomiting—unlikely though this seems. Dietary treatment, as outlined in Chapter 7, usually improves appetite.
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