Generic Name: mesna (Intravenous route)
Medically reviewed by Drugs.com. Last updated on Sep 22, 2019.
Commonly used brand name(s)
In the U.S.
Available Dosage Forms:
Therapeutic Class: Hemorrhagic Cystitis Inhibitor
Uses for Mesnex
Mesna injection is used to lower the risk of inflammation and bleeding of the bladder (hemorrhagic cystitis) in patients who receive ifosfamide (cancer medicine).
This medicine is to be given only by or under the direct supervision of your doctor.
Before using Mesnex
Appropriate studies have not been performed on the relationship of age to the effects of mesna injection in the pediatric population. Safety and efficacy have not been established.
Appropriate studies performed to date have not demonstrated geriatric-specific problems that would limit the usefulness of mesna injection in the elderly. However, elderly patients are more likely to have age-related liver, kidney, and heart problems, which may require caution and an adjustment in the dose for patients receiving mesna injection.
Studies suggest that this medication may alter milk production or composition. If an alternative to this medication is not prescribed, you should monitor the infant for side effects and adequate milk intake.
Interactions with medicines
Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. When you are receiving this medicine, it is especially important that your healthcare professional know if you are taking any of the medicines listed below. The following interactions have been selected on the basis of their potential significance and are not necessarily all-inclusive.
Using this medicine with any of the following medicines may cause an increased risk of certain side effects, but using both drugs may be the best treatment for you. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines.
Interactions with food/tobacco/alcohol
Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using alcohol or tobacco with certain medicines may also cause interactions to occur. Discuss with your healthcare professional the use of your medicine with food, alcohol, or tobacco.
Other medical problems
- Allergy to thiol compounds (eg, amifostine), history of—Use with caution. May increase risk of an allergic reaction to occur again.
Proper use of Mesnex
A nurse or other trained health professional will give you this medicine in a medical facility. It is given through a needle placed into one of your veins.
This medicine is given on a fixed schedule. It may be given after receiving ifosfamide, 4 hours, and 8 hours after each dose of ifosfamide.
Drink extra fluids (1 to 2 liters per day) so you will pass more urine while you are receiving this medicine. This may help prevent bladder and kidney problems.
This medicine needs to be given on a fixed schedule. If you miss a dose or forget to use your medicine, call your doctor or pharmacist for instructions.
Precautions while using Mesnex
It is very important that your doctor check your progress closely while receiving this medicine to make sure this medicine is working properly. Blood and urine tests will be needed to check for unwanted effects.
This medicine is used together with ifosfamide. Ifosfamide can harm your unborn baby while you are pregnant. It may also cause birth defects if the father is receiving it when his sexual partner becomes pregnant. Use an effective form of birth control during treatment with this medicine in combination with ifosfamide and for 6 months after the last dose. Male patients with female partners should use an effective form of birth control during treatment and for 3 months after the last dose. If you think you have become pregnant while receiving this medicine, tell your doctor right away.
This medicine may cause serious allergic reactions, including anaphylaxis, which can be life-threatening and require immediate medical attention. The most serious signs of this reaction are very fast or irregular breathing, gasping for breath, or fainting. Other signs may include changes in facial skin color, very fast but irregular heartbeat or pulse, hive-like swellings on the skin, and puffiness or swellings of the eyelids or around the eyes. If these side effects occur, get emergency help at once.
Serious skin reactions can occur with this medicine. Check with your doctor right away if you have blistering, peeling, or loosening of the skin, red skin lesions, severe acne or skin rash, sores or ulcers on the skin, or fever or chills while you are receiving this medicine.
This medicine contains benzyl alcohol which may cause serious reactions to premature or low-birth weight infants. Talk to your doctor if you have concerns about this.
Make sure any doctor or dentist who treats you knows that you are receiving this medicine. It may affect the results of certain medical tests.
Mesnex side effects
Check with your doctor or nurse immediately if any of the following side effects occur:
- Black, tarry stools
- bleeding gums
- bloating or swelling of the face, arms, hands, lower legs, or feet
- blood in the urine or stools
- chest pain
- decreased urination
- dry mouth
- fast, pounding, or irregular heartbeat or pulse
- increased thirst
- loss of appetite
- mood changes
- muscle pain or cramps
- numbness or tingling in the hands, feet, or lips
- painful or difficult urination
- pinpoint red spots on the skin
- rapid breathing
- rapid weight gain
- sore throat
- sores, ulcers, or white spots on the lips or in the mouth
- sunken eyes
- swollen glands
- tightness in the chest
- trouble breathing
- unusual bleeding or bruising
- unusual tiredness or weakness
- unusual weight gain or loss
- wrinkled skin
- Blurred vision
- dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position
Incidence not known
- Coughing or spitting up blood
- dark urine
- general tiredness and weakness
- light-colored stools
- pounding in the ears
- slow heartbeat
- upper right abdominal or stomach pain
- yellow eyes and skin
- Back pain
- bleeding, blistering, burning, coldness, discoloration of the skin, feeling of pressure, hives, infection, inflammation, itching, lumps, numbness, pain, rash, redness, scarring, soreness, stinging, swelling, tenderness, tingling, ulceration, or warmth at the injection site
- difficulty having a bowel movement
- hair loss
- increased sweating
- lack or loss of strength
- sleepiness or unusual drowsiness
- stomach pain
- trouble sleeping
- weight loss
- feeling of warmth
- redness of the face, neck, arms, and occasionally, upper chest
- stomach discomfort or upset
Incidence not known
- Change or loss of taste
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More about Mesnex (mesna)
- Side Effects
- During Pregnancy
- Dosage Information
- Imprints, Shape & Color Data
- Drug Interactions
- Pricing & Coupons
- En Español
- Generic Availability
- Drug class: antineoplastic detoxifying agents
- Mesnex oral/injection
- Mesnex (Mesna Injection)
- Mesnex (Mesna Tablets)
- Mesnex Oral (Advanced Reading)