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(thiabendazole) Chewable Tablets And Suspension


MINTEZOL (Thiabendazole) is an anthelmintic provided as 500 mg chewable tablets, and as a suspension, containing 500 mg thiabendazole per 5 mL. The suspension also contains sorbic acid 0.1% added as a preservative. Inactive ingredients in the tablets are acacia, calcium phosphate, flavors, lactose, magnesium stearate, mannitol, methylcellulose, and sodium saccharin. Inactive ingredients in the suspension are an antifoam agent, flavors, polysorbate, purified water, sorbitol solution, and tragacanth.

Thiabendazole is a white to off-white odorless powder with a molecular weight of 201.26, which is practically insoluble in water but readily soluble in dilute acid and alkali. Its chemical name is 2-(4-thiazolyr)-1/-/-benzimidazole. The empirical formula is C10H7N3S and the structural formula is:

MINTEZOL (Thiabendazole) structural formula illustration

What are the possible side effects of thiabendazole (Mintezol)?

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

Rarely, other serious side effects can occur. Stop taking thiabendazole and contact your doctor if you experience

  • seizures;
  • behavior or personality changes;
  • skin rash;
  • vision changes; or
  • yellowing of the skin or eyes.

Other, less serious side effects may be more likely to occur. Continue to take thiabendazole and talk to your doctor if...

Read All Potential Side Effects and See Pictures of Mintezol »

What are the precautions when taking thiabendazole (Mintezol)?

Consult your...

Read All Potential Precautions of Mintezol »

Last reviewed on RxList: 10/30/2008
This monograph has been modified to include the generic and brand name in many instances.


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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