Enlarged Kidney: Cause, Symptoms and Treatment

An enlarged kidney can happen for any number of reasons: ranging from polycystic kidney disease to hydronephrosis or even the absence of one kidney that causes the remaining one to increase in size. The treatment for enlarged kidneys is dictated by the underlyng medical condition that caused the kidney to get larger in the first place. Enlarge kidney refers to the kidney size is larger than the normal standard. Some common diseases may cause this condition. And the treatment should involve both the enlarge kidney itself and its underlying cause.

What causes enlarged kidney

Enlarged kidneys may be congenital, but this condition is rare. Other causes may be cysts, PKD, tumors, urine reflux,hydronephrosis due to kidney stones, etc.

Usually enlargement of the kidney may appear due to hydronephrosis, a condition where the urine that is normally produced in the healthy kidney tissue can’t pass through the ureters due to kidney stones, tumor ingrowth, pressure of cysts, malrotation of the kidneys, etc.

What Are the Symptoms of Enlarged Kidneys?


Burning or pain during urination can be a sign of a urinary tract infection that can cause enlarged kidneys. The pain may be localized near the pelvis, over the bladder or near the lower part of the abdomen. Men with an infection often feel pain at the end of the urethra, while women often experience pain near the opening of the vagina.


Swelling is sometimes noticed when a patient experiences rapid weight gain that cannot be attributed to other causes. As the kidneys fail and become enlarged, fluids cannot be processed properly and begin to accumulate in the ankles, abdomen, lower back and face. According to doctors at Merck, kidney failure results as the fluid leaks into the tissues of the body.

Kidney Stones.

Kidney stones can be both cause and symptoms for enlarged kidneys. It increases the risk to develop kidney infection which may show up along with back pain, flank pain etc.

What Is Enlarged Kidney Treatment

Treatment for an enlarged kidney ranges from taking medications to undergoing invasive medical procedures. Noninvasive treatments for the enlargement of the kidneys involve using antibiotics, anti-inflammatory agents and cancer therapy. Invasive treatment options such as subcutaneous draining, stem-cell transplantation and surgery are reserved for more serious cases. Ultimately treatment for an enlarged kidney will depend upon the underlying medical condition causing the renal swelling.

Chinese Herbal Medicine. It uses natural herbs, plants or some animal part to nourish the damaged kidney tissues and improve kidney functions. Chinese medicine views the Kidney Disease as a whole-body related conditions. Thereby, patients usually feel the additional alleviation, such as good sleep, lowering blood pressure etc, along with the kidney function improvement.


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