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How big are kidney stones?

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Kidney stones are small. They can be as tiny as a grain of salt or as big as a corn kernel. You may not feel anything and never realize you even had one. But other times, you�ll know about it. That�s because flushing one out of your body as you urinate can hurt, sometimes badly.

From: What Are the Symptoms of a Kidney Stone? WebMD Medical Reference

SOURCES:

American Kidney Fund: “What are the symptoms of kidney stones?”

Mayo Clinic: “Diseases and Conditions: Kidney Stones.”

National Institute of Diabetes and Digestive and Kidney Diseases: “Kidney Stones in Adults.”

Cleveland Clinic: “Kidney Stones.”

UCLA Health Kidney Stone Center: “Kidney Stone Symptoms and Diagnosis.”

National Kidney Foundation: “Kidney Stones.”

Harvard Health Publications, Harvard Medical School: “Kidney Stones.”

Reviewed by Minesh Khatri on September 15, 2019

SOURCES:

American Kidney Fund: “What are the symptoms of kidney stones?”

Mayo Clinic: “Diseases and Conditions: Kidney Stones.”

National Institute of Diabetes and Digestive and Kidney Diseases: “Kidney Stones in Adults.”

Cleveland Clinic: “Kidney Stones.”

UCLA Health Kidney Stone Center: “Kidney Stone Symptoms and Diagnosis.”

National Kidney Foundation: “Kidney Stones.”

Harvard Health Publications, Harvard Medical School: “Kidney Stones.”

Reviewed by Minesh Khatri on September 15, 2019

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What does a kidney stone feel like?

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