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Can chemotherapy for breast cancer cause ureter obstruction?

By October 12, 2009 - 7:00am
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HERWriter Guide

Dear Johein

Thanks so much for your question and welcome to EmpowHer!

To answer your question - yes; it can be possible. Chemotherapy (in general, not just for breast cancer) can cause blockages near your kidneys and thus a blockage near the urethra.

Chemo can cause a build up of uric acid (called secondary hyperuricemia) in the body which can cause kidney stones. Then these stones can affect the urethra or cause a blockage.

You should be eating a low purine diet (purines are compounds in the body that contain nitrogen and can affect uric acid). Chemo Care offers these tips for avoiding certain foods that are high in purines and eating others that are low.

Avoid :
"•All organ meats (such as liver), meat extracts and gravy
•Yeasts, and yeast extracts (such as beer, and alcoholic beverages)
•Asparagus, spinach, beans, peas, lentils, oatmeal, cauliflower and mushrooms
Foods that are low in purine include:

•Refined cereals - breads, pasta, flour, tapioca, cakes
•Milk and milk products, eggs
•Lettuce, tomatoes, green vegetables
•Cream soups without meat stock
•Water, fruit juice, carbonated drinks
•Peanut butter, fruits and nuts "

I'm not sure if this is what your blockage is but it's definitely a possibility. Are you undergoing chemo right now and experiencing a blockage? In addition to the diet information, drink plenty of water and make sure your doctor knows - you may need some medication and you will need to make sure it doesn't interact with any cancer drugs or treatments.

I wish you the best of luck with your cancer treatments and wish you a speedy recovery, as well as relief from this blockage. Chemo can kill off cancer but with it comes some unfortunate side effects. Will you update us?

October 12, 2009 - 1:55pm
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