Chemo Drugs 

Mesna (Mesnex, Uromitexan)

What Does It Look Like?

Clear liquid

How Is It Given?

Intravenous (vein)

Why Am I Taking It?

Mesna helps protect the urinary bladder from the harmful effects of certain anti-cancer drugs. It reduces the chance of irritation and bleeding of the lining of your bladder. It may not be completely successful in stopping bladder irritation, so your urine will be checked for blood every day while you are receiving certain bladder- irritating anti-cancer drugs. Mesna is not an anti-cancer drug.

What Side Effects May Occur?

Side effects from Mesna are rare. You may experience some, all or none of those listed. Most side effects do not last long. Tell the doctor or nurse about any that you notice. Please report any problems to your doctor.

Allergic Reaction

Skin rash or itching. Please inform your caregiver immediately if this occurs.

Nausea and Vomiting

Nausea and vomiting are rare. Medication for nausea and vomiting can be given. Please inform your caregiver if this occurs.


Diarrhea is also rare. Please inform your caregiver if this occurs. They will need to keep track of the frequency and amount.

Special Notes

Rarely, an unpleasant taste has been noted.

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For more information about our cancer services, please contact:


Cancer Nurse Navigators

Cancer Nurse Navigators

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Dietitian's Blog

Teresa Pangan

Teresa Pangan, Cancer Care Dietitian, can help you incorporate healthy eating habits into your cancer care plan. 

Read Teresa's most recent post here.

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