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Albendazole

Precautions

Before taking albendazole, tell your doctor or pharmacist if you are allergic to it; or to other benzimidazole anthelmintic drugs (such as mebendazole); 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: liver disease, biliary tract problems (such as blockage), blood/bone marrow disorders.

This medication may cause liver problems. Because drinking alcohol increases the risk of liver problems, limit alcoholic beverages while using this medication. Check with your doctor or pharmacist for more information.

Before having surgery, tell your doctor or dentist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products).

Tell your doctor if you are pregnant or plan to become pregnant. You should not become pregnant while using albendazole. Albendazole may harm an unborn baby. Your doctor should order a pregnancy test before you start this medication. Ask about reliable forms of birth control while using this medication and for 3 days after the last dose. If you become pregnant, talk to your doctor right away about the risks and benefits of this medication.

This medication passes into breast milk. Consult your doctor before breastfeeding.

Side Effects

Nausea, vomiting, abdominal pain, headache, or temporary hair loss may occur. If any of these effects last or get worse, tell your doctor or pharmacist promptly.

Remember that this medication has been prescribed because your doctor has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.

Tell your doctor right away if you have any serious side effects, including: severe headache that doesn't go away, vision changes, yellowing eyes/skin, severe stomach/abdominal pain, dark urine, unusual tiredness, easy bruising/bleeding, signs of infection (such as sore throat that doesn't go away, fever, chills), signs of kidney problems (such as change in the amount of urine), confusion, very stiff neck.

Get medical help right away if you have any very serious side effects, including: seizures.

A very serious allergic reaction to this drug is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.

This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.

In the US -

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088 or at www.fda.gov/medwatch.

In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.