Mitomycin can damage red blood cells, which may cause irreversible kidney failure. Tell your doctor right away if you have unusual bruising or bleeding, pale skin, confusion, tiredness or irritability, stomach pain, bloody diarrhea, red or pink urine, swelling, rapid weight gain, and little or no urinating.

How long do mitomycin side effects last?

Most patients do not have major problems, but you may have some side effects. These can start a few hours after treatment and may last 1 to 2 days. These side effects usually last less than 2 days. If you feel any burning or pain, have to urinate often, or see blood in the toilet bowl, drink about 4 glasses of water.

How long does mitomycin stay in your system?

This drug is blue in color and may make your urine blue-green in color. This can last up to two days after each dose.