April 28, 2017
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Discontinued Warning IconPlease Note: This Brand Name drug is no longer available in the US.
(Generic versions may still be available.)

(mebendazole) Chewable Tablets


VERMOX™ CHEWABLE (mebendazole chewable tablets) is an orally administered anthelmintic. Chemically, it is methyl 5-benzoylbenzimidazole-2-carbamate. Its molecular formula is C16H13N3O3. Its molecular weight is 295.30. It has the following chemical structure:

VERMOX™ CHEWABLE (mebendazole), Structural Formula Illustration

Mebendazole exhibits polymorphism. The polymorph used in VERMOX™ CHEWABLE is polymorph form C. Mebendazole is a white to almost white powder. It is practically insoluble in water, in ethanol (96%) and in methylene chloride.

Each round, flat radius-edged white to yellowish chewable tablet contains 500 mg of mebendazole and is debossed with “M/500” on one side and “J” on the other side.

Inactive ingredients consist of: crospovidone, magnesium stearate, microcrystalline cellulose, povidone, purified water, strawberry flavor and sucralose.

What are the possible side effects of mebendazole (Vermox)?

Stop taking mebendazole and seek emergency medical attention if you experience an allergic reaction (swelling of your lips, tongue, or face; shortness of breath; closing of your throat; or hives).

Other, less serious side effects may be more likely to occur. Continue to take mebendazole and talk to your doctor if you experience abdominal pain, diarrhea, or a fever.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at...

Read All Potential Side Effects and See Pictures of Vermox »

What are the precautions when taking mebendazole (Vermox)?

Before taking mebendazole, 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.

Tell your doctor your medical history, especially of: low blood count (anemia), liver disease, intestinal problems (e.g., Crohn's disease, ulcerative colitis).

During pregnancy, this medication should be used only when clearly needed. Discuss the risks and benefits with your doctor.

It is not known whether this drug passes into breast milk. Consult your doctor before...

Read All Potential Precautions of Vermox »

Last reviewed on RxList: 10/31/2016
This monograph has been modified to include the generic and brand name in many instances.

Vermox - User Reviews

Vermox User Reviews

Now you can gain knowledge and insight about a drug treatment with Patient Discussions.

Here is a collection of user reviews for the medication Vermox sorted by most helpful. Patient Discussions FAQs

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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