Kidney Cyst
Medically reviewed by Drugs.com. Last updated on May 6, 2024.
AMBULATORY CARE:
A kidney cyst
is a fluid-filled sac that grows in your kidney. A simple cyst usually does not contain cancer. A complex cyst contains calcium deposits and needs to be checked over time for cancer. You may have one or more cysts. Both kidneys may form cysts at the same time.
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Common signs and symptoms include the following:
Kidney cysts usually do not cause symptoms. A cyst that grows large may cause pain or discomfort in your side or abdomen. You may have blood in your urine or dark urine, or develop high blood pressure. Tenderness along with pain and a fever may be a sign of an infected cyst.
Seek care immediately if:
- You have blood in your urine or your urine is dark.
- You have trouble urinating, or you are urinating more often than usual.
- You have a fever along with pain or tenderness below your ribcage and above your hip bones.
Contact your healthcare provider if:
- You have questions or concerns about your condition or care.
Treatment:
Your cyst may need no treatment. Your healthcare provider may want you to have tests to check the size of the cyst over time. You may also need tests if you have hard deposits in the cyst. The deposits will be checked for cancer or other material that can cause health problems. Fluid may need to be drained from a cyst that becomes infected, bursts, or blocks blood or urine flow in the kidney. Surgery may be needed if the cyst is large.
Manage kidney cysts:
- Drink liquids as directed. Liquids help your kidneys work correctly. They can also help prevent a urinary tract infection. Ask your healthcare provider how much liquid to have each day and which liquids are best for you. Ask if you need to limit or not drink alcohol. Alcohol may damage your kidneys.
- Manage health conditions. Over time, conditions such as diabetes and high blood pressure that are not controlled may damage your kidneys.
- Do not smoke. Smoking may narrow blood vessels in your kidneys and raise your blood pressure. Smoking can also damage your kidneys. Ask your healthcare provider for information if you currently smoke and need help quitting. E-cigarettes or smokeless tobacco still contain nicotine. Talk to your healthcare provider before you use these products.
Follow up with your healthcare provider as directed:
You may need to have ultrasounds to check the size, shape, and contents of the cyst over time. Write down your questions so you remember to ask them during your visits.
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The above information is an educational aid only. It is not intended as medical advice for individual conditions or treatments. Talk to your doctor, nurse or pharmacist before following any medical regimen to see if it is safe and effective for you.
Further information
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