Vermox; Ovex (brand availability varies by market)
Dosage form
Tablet
Strength
Common chewable tablets include 100 mg; single-dose and multi-day schedules depend on the worm infection and local labeling.
Prescription classification
Both Rx and OTC strengths exist (verified)
Approved routes of administration
Oral
Applies to
IN; product status and availability may vary by jurisdiction
Approved indications
An anthelmintic used for intestinal worm infections including pinworm, roundworm, whipworm, and hookworm. The correct regimen depends on the type of worm and the patient's age.
Contraindications (do not use if…)
Avoid if you are seriously allergic to mebendazole or related medicines. Check pregnancy status and local product restrictions before starting treatment.
Important precautions
Ask a healthcare professional if symptoms persist, if reinfection keeps occurring, or if the patient is very young, has liver disease, or takes other medicines. Household hygiene measures may be needed for some infections.
Common side effects
Common side effects include stomach pain, diarrhoea, nausea, and flatulence.
Serious side effects — seek urgent medical care
Seek urgent care for a severe allergic reaction, blistering rash, seizures, or signs of liver or blood-cell problems ‚ especially with prolonged treatment.
Important interactions
Avoid combining with metronidazole due to the risk of serious skin reactions. Cimetidine and other medicines may affect mebendazole levels. Check the full list with your pharmacist.
Allergy considerations
Avoid after a serious reaction to mebendazole or a related benzimidazole medicine. Check inactive ingredients in the product.
Pregnancy and lactation
Pregnancy safety
Use with caution — see notes
Notes
Pregnancy precautions vary by trimester, infection type, and local guidelines. Do not self-treat during pregnancy ‚ get clinician advice first.
Information
Lactation safety
Use with caution — see notes
Notes
Systemic absorption is limited at usual doses, but ask your pharmacist or doctor before use while breastfeeding, especially if the infant has medical concerns.
Children and older adults
Age thresholds and dosing vary by product and infection. Check paediatric product information carefully for children under 2 years.
Storage
Keep in the original, tightly closed pack away from heat, moisture, and direct sunlight. Store out of reach of children. Follow the label.
Missed dose
Take the missed dose when you remember unless the next one is almost due. Skip it and continue as normal ‚ never double up. Ask your pharmacist for advice with multi-day courses.
Overdose
If you suspect an overdose, call a poison helpline or emergency service immediately. Bring the medicine pack with you.
If you suspect an overdose or accidental poisoning:
contact your local emergency services or the nearest hospital emergency department immediately. Do not wait for symptoms.
Vermox; Ovex (brand availability varies by market)
Dosage form
Tablet
Strength
Common chewable tablets include 100 mg; single-dose and multi-day schedules depend on the worm infection and local labeling.
Prescription classification
Both Rx and OTC strengths exist (verified)
Approved routes of administration
Oral
Applies to
IN; product status and availability may vary by jurisdiction
Approved indications
An anthelmintic used for intestinal worm infections including pinworm, roundworm, whipworm, and hookworm. The correct regimen depends on the type of worm and the patient's age.
Contraindications (do not use if…)
Avoid if you are seriously allergic to mebendazole or related medicines. Check pregnancy status and local product restrictions before starting treatment.
Important precautions
Ask a healthcare professional if symptoms persist, if reinfection keeps occurring, or if the patient is very young, has liver disease, or takes other medicines. Household hygiene measures may be needed for some infections.
Common side effects
Common side effects include stomach pain, diarrhoea, nausea, and flatulence.
Serious side effects — seek urgent medical care
Seek urgent care for a severe allergic reaction, blistering rash, seizures, or signs of liver or blood-cell problems ‚ especially with prolonged treatment.
Important interactions
Avoid combining with metronidazole due to the risk of serious skin reactions. Cimetidine and other medicines may affect mebendazole levels. Check the full list with your pharmacist.
Allergy considerations
Avoid after a serious reaction to mebendazole or a related benzimidazole medicine. Check inactive ingredients in the product.
Pregnancy and lactation
Pregnancy safety
Use with caution — see notes
Notes
Pregnancy precautions vary by trimester, infection type, and local guidelines. Do not self-treat during pregnancy ‚ get clinician advice first.
Information
Lactation safety
Use with caution — see notes
Notes
Systemic absorption is limited at usual doses, but ask your pharmacist or doctor before use while breastfeeding, especially if the infant has medical concerns.
Children and older adults
Age thresholds and dosing vary by product and infection. Check paediatric product information carefully for children under 2 years.
Storage
Keep in the original, tightly closed pack away from heat, moisture, and direct sunlight. Store out of reach of children. Follow the label.
Missed dose
Take the missed dose when you remember unless the next one is almost due. Skip it and continue as normal ‚ never double up. Ask your pharmacist for advice with multi-day courses.
Overdose
If you suspect an overdose, call a poison helpline or emergency service immediately. Bring the medicine pack with you.
If you suspect an overdose or accidental poisoning:
contact your local emergency services or the nearest hospital emergency department immediately. Do not wait for symptoms.
