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Mesnex

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Mesnex

MESNEX
(mesna) Injection and Tablets

DRUG DESCRIPTION

MESNEX is a detoxifying agent to inhibit the hemorrhagic cystitis induced by ifosfamide. The active ingredient, mesna, is a synthetic sulfhydryl compound designated as sodium-2-mercaptoethane sulfonate with a molecular formula of C2H5NaO3S2 and a molecular weight of 164.18. Its structural formula is as follows:

HS–CH2–CH2SO3–Na+

MESNEX (mesna) injection is a sterile, nonpyrogenic, aqueous solution of clear and colorless appearance in clear glass multidose vials for intravenous administration. MESNEX injection contains 100 mg/mL mesna, 0.25 mg/mL edetate disodium and sodium hydroxide for pH adjustment. MESNEX Injection multidose vials also contain 10.4 mg/mL of benzyl alcohol as a preservative. The solution has a pH range of 7.5-8.5.

MESNEX (mesna) tablets are white, oblong, scored biconvex film-coated tablets with the imprint M4. They contain 400 mg mesna. The excipients are calcium phosphate, cornstarch, hydroxypropylmethylcellulose, lactose, magnesium stearate, microcrystalline cellulose, polyethylene glycol, povidone, simethicone, and titanium dioxide.

What are the possible side effects of mesna (Mesnex)?

Seek emergency medical attention or contact your healthcare provider immediately if you experience any of the following serious side effects:

  • an allergic reaction (difficulty breathing; closing of the throat; swelling of the lips, tongue, or face; or hives); or
  • pink or red colored urine.

Other less serious side effects may be more likely to occur. Continue to take mesna, and contact your doctor if you experience any of the following side effects:

  • nausea or vomiting;
  • decreased appetite;
  • stomach...

Read All Potential Side Effects and See Pictures of Mesnex »

What are the precautions when taking mesna (Mesnex)?

Before taking mesna, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

Before using this medication, tell your doctor or pharmacist your medical history, especially of: overactive immune system diseases (autoimmune disorders) that may increase your risk for a mesna allergy (e.g., rheumatoid arthritis, lupus, nephritis).

This drug may make you dizzy or drowsy. Do not drive, use machinery, or do any activity that requires alertness until you are sure you can perform such activities safely. Limit alcoholic beverages.

Kidney function declines as you grow older. This medication is...

Read All Potential Precautions of Mesnex »

Last reviewed on RxList: 4/1/2014
This monograph has been modified to include the generic and brand name in many instances.

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Mesnex - User Reviews

Mesnex User Reviews

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Report Problems to the Food and Drug Administration

 

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.


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