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Why is this medication prescribed?

Mebendazole is a medication commonly prescribed to treat various parasitic infections in the human body, primarily caused by intestinal worms. It is an anthelmintic, which means it is used to eliminate and control infections caused by parasitic worms such as pinworms (Enterobius vermicularis), whipworms (Trichuris trichiura), roundworms (Ascaris lumbricoides), and hookworms (Ancylostoma duodenale and Necator americanus).

How should this medicine be used?

Here’s how Mebendazole is typically used:

  • Dosage: The dosage of Mebendazole depends on the type of infection being treated, the patient’s age, and their weight. It is essential to follow your healthcare provider’s prescribed dosage instructions. Typically, Mebendazole is taken as a single dose for some infections, while for others, it may be taken in multiple doses over a few days.
  • Administration: Mebendazole is usually taken orally, which means it’s ingested by mouth. You may take it with or without food, but taking it with a meal or snack may help reduce the likelihood of stomach upset.
  • Chewable Tablets: Mebendazole is available in chewable tablet form, making it easier for children and those who have difficulty swallowing pills to take the medication.
  • Hygiene: Good hygiene practices are essential when dealing with parasitic infections, as these infections can be highly contagious. Be sure to wash your hands thoroughly, especially after using the toilet and before eating, to prevent the spread of the parasites.
  • Follow-up: Depending on the specific infection, your healthcare provider may recommend a follow-up dose or stool examination to ensure that the parasites have been completely eliminated.
  • Household Hygiene: It’s important to inform other members of your household if you or a family member is being treated for a parasitic infection to prevent reinfection. This may include washing bed linens, underwear, and towels regularly, as well as maintaining good personal hygiene practices.

Always follow your healthcare provider’s instructions and finish the full course of Mebendazole, even if your symptoms improve before you’ve completed the treatment. If you experience any adverse reactions or have concerns about the medication, be sure to discuss them with your healthcare provider.

Remember that Mebendazole is available by prescription in some countries, while it may be available over the counter in others. The availability and specific recommendations for its use may vary depending on your location and the specific guidelines of your healthcare provider or local health authorities. Therefore, it’s important to consult with a healthcare professional for proper guidance on using Mebendazole.

Other uses for this medicine

While Mebendazole is primarily used to treat parasitic infections, some research has explored its potential in other areas, such as cancer therapy. Mebendazole has shown some anticancer properties in laboratory studies and is being investigated as a possible treatment for certain types of cancer. However, its use in cancer treatment is still considered experimental, and it should only be used for this purpose under the supervision of a medical oncologist as part of a clinical trial or research study.

What special precautions should I follow?

As for special precautions when using Mebendazole, here are some important points to keep in mind:

  • Medical Supervision: Always use Mebendazole under the supervision of a qualified healthcare provider who can determine the appropriate dosage and duration of treatment based on your specific condition.
  • Allergies: Inform your healthcare provider if you are allergic to Mebendazole or any other medications. Also, disclose any other allergies you may have.
  • Pregnancy and Breastfeeding: If you are pregnant or breastfeeding, consult your healthcare provider before taking Mebendazole, as its safety during pregnancy and lactation is not well established.
  • Liver Function: Mebendazole may affect liver function, so if you have a history of liver disease, discuss this with your healthcare provider.
  • Drug Interactions: Inform your healthcare provider about all the medications, supplements, and herbal products you are taking, as Mebendazole can interact with other drugs.
  • Side Effects: Be aware of potential side effects, which may include stomach pain, diarrhea, dizziness, and allergic reactions. If you experience any severe or unusual side effects, contact your healthcare provider.
  • Children and Elderly: Mebendazole can be used in children, but the dosage may vary depending on their age and weight. Elderly individuals should use Mebendazole with caution, as they may be more prone to certain side effects.
  • Hygiene: Practicing good hygiene is essential to prevent the spread of parasitic infections to others. Wash your hands regularly, avoid sharing personal items, and follow your healthcare provider’s advice on maintaining a clean living environment.
  • Complete the Course: Finish the full course of Mebendazole as prescribed, even if your symptoms improve before completing the treatment. This helps ensure that all parasites are eliminated.

Always consult your healthcare provider for personalized guidance on using Mebendazole and to discuss any specific precautions or considerations related to your health and medical history.

What special dietary instructions should I follow?

Mebendazole is typically taken with or after meals. While there are no specific dietary restrictions associated with Mebendazole, it may be helpful to take it with food to minimize potential stomach upset. Eating a balanced and healthy diet can also support your overall health and immune system, which is essential for fighting off infections.

What should I do if I forget a dose?

If you miss a dose of Mebendazole, take it as soon as you remember. However, if it’s close to the time for your next scheduled dose, skip the missed dose and resume your regular dosing schedule. Do not take two doses at the same time to make up for the missed one.

It’s crucial to complete the full course of treatment as prescribed by your healthcare provider, even if your symptoms improve before you finish the medication. This helps ensure that the infection is completely eradicated.

What side effects can this medication cause?

Mebendazole is a medication commonly used to treat certain types of parasitic worm infections, such as pinworm, roundworm, whipworm, and hookworm infections. Like all medications, Mebendazole can have side effects, although not everyone will experience them. Common side effects may include:

  • Gastrointestinal Disturbances: These are the most common side effects and can include abdominal pain, diarrhea, and nausea.
  • Allergic Reactions: Some people may experience allergic reactions, which can include rash, itching, swelling, severe dizziness, or difficulty breathing. If you experience any of these symptoms, seek immediate medical attention.
  • Liver Problems: In rare cases, Mebendazole can cause liver problems, which may manifest as jaundice (yellowing of the skin and eyes), dark urine, or persistent nausea/vomiting.
  • Low Blood Cell Counts: Mebendazole can occasionally reduce the number of white blood cells, which can increase the risk of infection. It can also lower the number of platelets, leading to bleeding problems. Signs of this may include unexplained bruising, nosebleeds, or bleeding gums.
  • Neurological Symptoms: Very rarely, Mebendazole has been associated with neurological side effects such as headache, dizziness, and hallucinations. These symptoms should be reported to a healthcare provider promptly.
  • Other Side Effects: Other less common side effects may include fatigue, fever, and abdominal pain.

It’s essential to take Mebendazole exactly as prescribed by your healthcare provider and to complete the full course of treatment even if you start feeling better before it’s finished. If you experience any unusual or severe side effects while taking Mebendazole, contact your healthcare provider promptly. Additionally, inform your healthcare provider of any other medications or supplements you are taking, as they may interact with Mebendazole. This list of side effects is not exhaustive, so it’s important to consult with a healthcare professional for personalized information and guidance.

What should I know about storage and disposal of this medication?

Storage and Disposal of Mebendazole:


  • Store Mebendazole at room temperature, away from excessive heat and moisture.
  • Keep it out of the reach of children and pets.
  • Ensure that the medication is in its original packaging and is properly sealed to prevent contamination.


  • Dispose of Mebendazole and any unused or expired medications according to your local regulations or guidelines. Do not flush them down the toilet or pour them down the drain unless specifically instructed to do so by your healthcare provider or the medication’s labeling.
  • It’s often recommended to take unused or expired medications to a pharmacy or a designated drug take-back program for proper disposal.

In case of emergency/overdose

In case of emergency or overdose, take the following steps:

  • In case of an overdose of Mebendazole, seek immediate medical attention or contact your local poison control center. An overdose may result in symptoms such as nausea, vomiting, diarrhea, stomach pain, and dizziness.
  • If you suspect someone has ingested a large amount of Mebendazole and is experiencing severe symptoms, call emergency services (911 in the United States) right away.

What other information should I know

  • Always take Mebendazole as prescribed by your healthcare provider. Follow the recommended dosage and treatment duration.
  • Inform your healthcare provider about any other medications, supplements, or herbal products you are taking to check for potential drug interactions.
  • If your symptoms do not improve or worsen after taking Mebendazole, contact your healthcare provider.
  • Good hygiene practices, including regular handwashing, are essential when dealing with parasitic infections to prevent reinfection and the spread of the parasites to others.
  • Mebendazole is not a substitute for proper hygiene and sanitation. Ensure a clean living environment and follow hygienic practices to minimize the risk of parasitic infections.

It’s crucial to use Mebendazole exactly as prescribed by your healthcare provider and to follow their instructions regarding storage, disposal, and what to do in case of an emergency or overdose. If you have any questions or concerns about Mebendazole, be sure to discuss them with your healthcare provider or pharmacist for clarification and guidance.

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