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Medications and Drugs

Brand Names: Albenza

Generic Name: albendazole (Pronunciation: al BEN da zole)

What is albendazole (Albenza)?

Albendazole is an anthelmintic (an-thel-MIN-tik) or anti-worm medication. It prevents newly hatched insect larvae (worms) from growing or multiplying in your body.

Albendazole is used to treat certain infections caused by worms such as pork tapeworm and dog tapeworm.

Albendazole may also be used for other purposes not listed in this medication guide.

What are the possible side effects of albendazole (Albenza)?

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have any of these serious side effects:

  • easy bruising or bleeding, unusual weakness;
  • fever, sore throat, and headache with a severe blistering, peeling, and red skin rash; or
  • fever with chills, body aches, or flu-like symptoms.

Less serious side effects may include:

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 1-800-FDA-1088. You may report side effects to FDA at 1-800-FDA-1088.

What is the most important information I should know about albendazole (Albenza)?

You should not use this medication if you are allergic to albendazole, or to similar medications such as mebendazole (Vermox).

Before using albendazole, tell your doctor if you are allergic to any drugs, or if you have liver disease or have ever had abnormal liver function tests.

You should not use albendazole if you are pregnant or planning to become pregnant during treatment. Use an effective form of birth control while you are using albendazole, and for at least 1 month after your treatment ends.

Take albendazole with food to lessen stomach upset.

Take this medication for the entire length of time prescribed by your doctor. Your symptoms may get better before the infection is completely treated. Albendazole will not treat a viral infection such as the common cold or flu.

Albendazole can lower the blood cells that help your body fight infections. This can make it easier for you to bleed from an injury or get sick from being around others who are ill. To be sure your blood cells do not get too low, your blood will need to be tested on a regular basis. Your liver function may also need to be tested. Do not miss any scheduled visits to your doctor.



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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