Vermox (Mebendazole) Drug Overview of Side Effects and Precautions for Patients and Caregivers at RxList

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May 27, 2012

Vermox

Pinworms »

What is pinworm infection?

Pinworm infection is an infection of the large intestine and anal area by a small, white parasite that resembles a "worm." The medical name for the parasite is Enterobius vermicularis, but it is commonly termed a pinworm in both the lay and medical literature. These parasites are also termed seatworms or threadworms, and the infections is medically termed enterobiasis or helminthiasis. Pinworms and other parasitic worms (as a group are termed helminths) feed off of the host animal by adsorbing nutrients from the host animal. Pinworm infections are the most common helminth infection that occurs in the US. The US Centers for Disease Control and Prevention (CDC) estimates about 40 million people are infected with pinworms currently in the US.

Who is at risk for getting pinworms?

Pinworm is the most common worm infection in the United States, and the majority of pinworm infections worldwide occ...

Read the Pinworms article »

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Please Note: This Brand Name drug is no longer available in the US.
(Generic versions may still be available.)

Vermox Consumer (continued)

SIDE EFFECTS: Stomach/abdominal pain, vomiting, diarrhea, headache, dizziness, or drowsiness may occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.

Remember that your doctor has prescribed this medication because he or she 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 immediately if any of these rare but very serious side effects occur: severe abdominal pain, easy bleeding/bruising, signs of serious infection (e.g., fever, persistent sore throat), unusual/extreme tiredness, seizures, weakness, dark or pinkish urine, yellowing eyes/skin.

A very serious allergic reaction to this drug is rare. However, seek immediate medical attention 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.

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

PRECAUTIONS: 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 breast-feeding.