Available Dosage Forms:
Therapeutic Class: Anthelmintic
Niclosamide belongs to the family of medicines called anthelmintics. Anthelmintics are medicines used in the treatment of worm infections.
Niclosamide is used to treat broad or fish tapeworm, dwarf tapeworm, and beef tapeworm infections. Niclosamide may also be used for other tapeworm infections as determined by your doctor. It will not work for other types of worm infections (for example, pinworms or roundworms).
Niclosamide works by killing tapeworms on contact. The killed worms are then passed in the stool. However, you may not notice them since they are sometimes destroyed in the intestine.
Niclosamide is available only with your doctor's prescription.
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 niclosamide, the following should be considered:
Tell your doctor if you have ever had any unusual or allergic reaction to niclosamide 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.
niclosamide has been tested in a limited number of children 2 years of age or older and, in effective doses, 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 niclosamide in the elderly with use in other age groups.
|All Trimesters||B||Animal studies have revealed no evidence of harm to the fetus, however, there are no adequate studies in pregnant women OR animal studies have shown an adverse effect, but adequate studies in pregnant women have failed to demonstrate a risk to the fetus.|
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.
Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. Tell your healthcare professional if you are taking any other prescription or nonprescription (over-the-counter [OTC]) medicine.
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.
No special preparations or additional steps (for example, special diets, fasting, other medicines, laxatives, or enemas) are necessary before, during, or immediately after taking niclosamide.
Niclosamide may be taken on an empty stomach (either 1 hour before or 2 hours after a meal). However, to prevent stomach upset, it is best taken after a light meal (for example, breakfast).
Niclosamide tablets should be thoroughly chewed or crushed and then swallowed with a small amount of water. If niclosamide is being given to a young child, the tablets should be crushed to a fine powder and mixed with a small amount of water to form a paste.
For patients taking niclosamide for beef tapeworms or broad or fish tapeworms:
For patients taking niclosamide for dwarf tapeworms :
The dose of niclosamide 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 niclosamide. 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 niclosamide, 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.
If your symptoms do not improve within a few days, or if they become worse, check with your doctor.
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.
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:Less common
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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