The side effects of chemotherapy depend mainly on the drugs and the doses the patient receives as well as how the drugs are given. In addition, as with other types of treatment, side effects vary from patient to patient.

Anticancer drugs that are placed in the bladder cause irritation, with some discomfort or bleeding that lasts for a few days after treatment. Some drugs may cause a rash when they come into contact with the skin or genitals.

Systemic chemotherapy affects rapidly dividing cells throughout the body, including blood cells. Blood cells fight infection, help the blood to clot, and carry oxygen to all parts of the body. When anticancer drugs damage blood cells, patients are more likely to get infections, may bruise or bleed easily, and may have less energy. Cells in hair roots and cells that line the digestive tract also divide rapidly. As a result, patients may lose their hair and may have other side effects such as poor appetite, nausea and vomiting, or mouth sores. Usually, these side effects go away gradually during the recovery periods between treatments or after treatment is over.

Certain drugs used in the treatment of bladder cancer also may cause kidney damage. To protect the kidneys, patients need a lot of fluid. The nurse may give the patient fluids by vein before and after treatment. Also, the patient may need to drink a lot of fluids during treatment with these drugs.

Certain anticancer drugs can also cause tingling in the fingers, ringing in the ears, or hearing loss. These problems may go away after treatment stops.

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