Articles on nephrology, internal medicine and oncology by Dr. Elizabeth Villanueva.https://draelizabethvillanueva.com/enhttps://draelizabethvillanueva.com/en/blog/high-calcium-in-blood/https://draelizabethvillanueva.com/en/blog/high-calcium-in-blood/A nephrologist explains what high blood calcium means, the most common causes, how hypercalcemia damages the kidneys, and which levels need urgent care.Thu, 06 Aug 2026 04:00:00 GMThttps://draelizabethvillanueva.com/en/blog/high-creatinine-levels/https://draelizabethvillanueva.com/en/blog/high-creatinine-levels/A nephrologist explains what high creatinine means, normal ranges by sex, why levels rise, and what genuinely lowers creatinine versus what does not.Thu, 06 Aug 2026 04:00:00 GMThttps://draelizabethvillanueva.com/en/blog/how-to-dissolve-kidney-stones/https://draelizabethvillanueva.com/en/blog/how-to-dissolve-kidney-stones/Only one type of kidney stone can truly be dissolved. A nephrologist explains which one, and what helps a small stone pass at home.Thu, 06 Aug 2026 04:00:00 GMThttps://draelizabethvillanueva.com/en/blog/kidney-disease-symptoms/https://draelizabethvillanueva.com/en/blog/kidney-disease-symptoms/A nephrologist explains the early and advanced symptoms of chronic kidney disease, the five stages and the two tests that detect it in time.Thu, 06 Aug 2026 04:00:00 GMThttps://draelizabethvillanueva.com/en/blog/leukocytes-in-urine/https://draelizabethvillanueva.com/en/blog/leukocytes-in-urine/A nephrologist explains what leukocytes in urine mean, normal WBC ranges, why levels rise without infection, and when high results need a workup.Thu, 06 Aug 2026 04:00:00 GMThttps://draelizabethvillanueva.com/en/blog/protein-in-urine/https://draelizabethvillanueva.com/en/blog/protein-in-urine/A nephrologist explains what protein in urine means, how the results are read, the common causes and when it signals kidney damage.Thu, 06 Aug 2026 04:00:00 GMT