Cancena 200mg Injection contains the active substance Mesna. It is a cytoprotective drug that belongs to the class of hemorrhagic cystitis inhibitors. This medicine reduces the risk of hemorrhagic cystitis (a condition that causes bladder inflammation and can result in serious bleeding) in people who receive ifosfamide (a medication used for treating cancer). It protects against some of the harmful effects of certain chemotherapy medications. Do not take this injection if you are allergic to Cancena 200mg Injection or any other ingredients of this medicine. This medicine can cause serious allergic reactions and skin reactions. Inform your doctor if you experience any symptoms of fever, swelling of your face, lips, mouth, or tongue, trouble breathing or wheezing, itching, burning, skin rash or hives, skin redness, or swelling after taking this medicine. Notify your physician if you are pregnant or breastfeeding or have severe liver and bladder problems. Female patients should use effective contraception during the treatment with Cancena 200mg Injection in combination with other anticancer medications and for 6 months after the last dose. The most common side effects are nausea, vomiting, constipation, decreased platelets and WBC levels, tiredness, fever, abdominal pain, headache, hair loss, and difficulty sleeping.