Commonly used brand name(s):
In the U.S.
Available Dosage Forms:
Therapeutic Class: Anthelmintic
Chemical Class: Benzimidazole
Thiabendazole belongs to the family of medicines called anthelmintics. Anthelmintics are medicines used in the treatment of worm infections.
Thiabendazole is used to treat:
thiabendazole may also be used for other worm infections as determined by your doctor.
Thiabendazole is available only with your doctor's prescription.
Once a medicine has been approved for marketing for a certain use, experience may show that it is also useful for other medical problems. Although these uses are not included in product labeling, thiabendazole is used in certain patients with the following medical conditions:
In deciding to use a medicine, the risks of taking the medicine must be weighed against the good it will do. This is a decision you and your doctor will make. For thiabendazole, the following should be considered:
Tell your doctor if you have ever had any unusual or allergic reaction to thiabendazole or any other medicines. Also tell your health care professional if you have any other types of allergies, such as to foods, dyes, preservatives, or animals. For non-prescription products, read the label or package ingredients carefully.
thiabendazole has been tested in children over 13.6 kg of body weight (30 pounds). In effective doses, it has not been reported to cause different side effects or problems in children than it does in adults.
Many medicines have not been studied specifically in older people. Therefore, it may not be known whether they work exactly the same way they do in younger adults or if they cause different side effects or problems in older people. There is no specific information comparing use of thiabendazole in the elderly with use in other age groups.
|All Trimesters||C||Animal studies have shown an adverse effect and there are no adequate studies in pregnant women OR no animal studies have been conducted and there are no adequate studies in pregnant women.|
There are no adequate studies in women for determining infant risk when using this medication during breastfeeding. Weigh the potential benefits against the potential risks before taking this medication while breastfeeding.
Using thiabendazole with any of the following medicines is usually not recommended, but may be required in some cases. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines.
Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using alcohol or tobacco with certain medicines may also cause interactions to occur. Discuss with your healthcare professional the use of your medicine with food, alcohol, or tobacco.
The presence of other medical problems may affect the use of thiabendazole. Make sure you tell your doctor if you have any other medical problems, especially:
No special preparations (for example, special diets, fasting, other medicines, laxatives, or enemas) are necessary before, during, or immediately after treatment with thiabendazole.
Thiabendazole is best taken after meals (breakfast and evening meal). This helps to prevent some common side effects such as nausea, vomiting, dizziness, or loss of appetite.
Doctors may also prescribe a corticosteroid (a cortisone-like medicine) for certain patients with pork worms (trichinosis), especially for those with severe symptoms. This is to help reduce the inflammation caused by the pork worm larvae. If your doctor prescribes these 2 medicines together, it is important to take the corticosteroid along with thiabendazole. Take them exactly as directed by your doctor. Do not miss any doses.
For patients taking the oral liquid form of thiabendazole:
For patients taking the chewable tablet form of thiabendazole:
To help clear up your infection completely, take thiabendazole exactly as directed by your doctor for the full time of treatment . In some patients a second course of thiabendazole may be required to clear up the infection completely. Do not miss any doses.
The dose of thiabendazole will be different for different patients. Follow your doctor's orders or the directions on the label. The following information includes only the average doses of thiabendazole. If your dose is different, do not change it unless your doctor tells you to do so.
The amount of medicine that you take depends on the strength of the medicine. Also, the number of doses you take each day, the time allowed between doses, and the length of time you take the medicine depend on the medical problem for which you are using the medicine.
If you miss a dose of thiabendazole, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not double doses.
Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Keep from freezing.
Keep out of the reach of children.
Do not keep outdated medicine or medicine no longer needed.
It is important that your doctor check your progress at regular visits. This is to make sure that the infection is cleared up completely.
Thiabendazole may cause blurred vision or yellow vision. It may also cause some people to become dizzy, drowsy, or less alert than they are normally. Make sure you know how you react to thiabendazole before you drive, use machines, or do anything else that could be dangerous if you are dizzy or are not alert or able to see well. If these reactions are especially bothersome, check with your doctor.
Good health habits are required to help prevent reinfection. These include the following:
Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
Check with your doctor immediately if any of the following side effects occur:More common
Check with your doctor as soon as possible if any of the following side effects occur:Rare
Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:More common
thiabendazole may cause the urine to have an asparagus-like or other unusual odor while you are taking it and for about 24 hours after you stop taking it. This side effect does not need medical attention.
Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.
Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.
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