Comprehensive Mebendazole dosage and administration guidelines for all age groups and infection types. WHO-recommended dosing regimens with detailed administration instructions for healthcare professionals.
Mebendazole dosage varies based on age, infection type, and severity. The following guidelines provide comprehensive dosing information for different clinical scenarios and patient populations.
| Infection Type | Dosage | Duration | Frequency |
|---|---|---|---|
| Roundworm (Ascaris) | 500mg | 1 day | Single dose |
| Pinworm (Enterobius) | 100mg | 1 day | Single dose |
| Hookworm | 500mg | 3 days | Once daily |
| Whipworm (Trichuris) | 500mg | 3 days | Twice daily |
| Mixed Infections | 500mg | 3 days | Twice daily |
Standard dosing applies. Monitor for potential side effects. No dose adjustment required unless renal impairment.
Standard dosing applies. No dose adjustment based on body weight for Mebendazole.
Can be administered post-surgery. No specific timing restrictions.
Contraindicated in patients with known hypersensitivity to Mebendazole or benzimidazoles.
| Age Group | Dosage | Duration | Frequency |
|---|---|---|---|
| 1-2 years | 100mg | 1 day | Single dose |
| 2-12 years | 100mg | 1 day | Single dose |
| 12+ years | 500mg | 3 days | Twice daily |
| Heavy Infections | 100mg | 3 days | Twice daily |
| Weight Range | Dosage | Duration | Frequency |
|---|---|---|---|
| 10-20 kg | 100mg | 1 day | Single dose |
| 20-30 kg | 200mg | 1 day | Single dose |
| 30-40 kg | 300mg | 1 day | Single dose |
| >40 kg | 500mg | 3 days | Twice daily |
Mebendazole can be taken with or without food. However, taking it with a fatty meal may enhance absorption.
Chew the tablet thoroughly before swallowing. For children who cannot chew, crush the tablet and mix with a small amount of food.
Take with a full glass of water to ensure proper swallowing and absorption.
Take at the same time each day for multi-day regimens to maintain consistent drug levels.
| Difficulty Swallowing: | Crush tablet and mix with food |
| Nausea/Vomiting: | Take with light meal |
| Children: | Supervise administration |
| Elderly: | Ensure proper swallowing |
| Multiple Doses: | Space doses 12 hours apart |
| Missed Dose: | Take as soon as remembered |
Standard Dose: 500mg single dose
Alternative: 100mg twice daily for 3 days
Efficacy: 95% cure rate
Follow-up: Repeat stool examination after 2 weeks
Standard Dose: 100mg single dose
Repeat Dose: Repeat after 2 weeks to prevent reinfection
Family Treatment: Treat all family members simultaneously
Efficacy: 100% cure rate
Standard Dose: 500mg daily for 3 days
Heavy Infection: 500mg twice daily for 3 days
Efficacy: 85% cure rate
Follow-up: Monitor hemoglobin levels
Standard Dose: 500mg twice daily for 3 days
Heavy Infection: 500mg twice daily for 5 days
Efficacy: 65% cure rate
Alternative: Consider combination therapy
Mebendazole is classified as FDA Pregnancy Category C. Use only if benefits outweigh risks.
Avoid use during first trimester unless absolutely necessary.
Can be used with medical supervision for severe infections.
Excreted in breast milk. Use with caution, monitor infant for side effects.
| Mild Renal Impairment: | No dose adjustment required |
| Moderate-Severe Renal: | Use with caution, monitor closely |
| Mild Hepatic Impairment: | No dose adjustment required |
| Moderate-Severe Hepatic: | Use with caution, monitor liver function |
| Dialysis Patients: | Not removed by dialysis, standard dosing |
Management: Take with food, ensure adequate hydration
When to Contact: Severe or persistent pain
Management: Increase fluid intake, avoid spicy foods
When to Contact: Severe diarrhea, signs of dehydration
Management: Rest, over-the-counter pain relievers
When to Contact: Severe or persistent headache
| Allergic Reactions: | Rash, urticaria, angioedema (<0.1%) |
| Neurological: | Dizziness, drowsiness (<0.1%) |
| Hepatic: | Elevated liver enzymes (rare) |
| Hematological: | Neutropenia, agranulocytosis (very rare) |
| Dermatological: | Stevens-Johnson syndrome (extremely rare) |
Mebendazole has minimal drug interactions due to poor systemic absorption. Most commonly used medications can be co-administered safely.
May reduce absorption. Take Mebendazole 2 hours before or after antacids.
May increase Mebendazole levels. Monitor for increased side effects.
May reduce Mebendazole effectiveness. Monitor treatment response.
Abdominal cramps, nausea, vomiting, diarrhea, headache, dizziness. Symptoms are usually mild and self-limiting.
Gastric lavage within 1 hour of ingestion. Activated charcoal to reduce absorption. Symptomatic and supportive care.
Contact poison control center immediately. Seek medical attention for large overdoses or severe symptoms.
| Post-Treatment: | Stool examination 2-4 weeks after treatment |
| Symptom Review: | Assess symptom resolution at follow-up visit |
| Side Effects: | Monitor for adverse reactions during treatment |
| Laboratory: | Repeat labs if clinically indicated |
| Retreatment: | Consider retreatment if infection persists |
Get comprehensive dosage guidelines and administration support for your healthcare practice. WHO-compliant dosing information with professional medical consultation.
Comprehensive guide to intestinal worms, symptoms, and treatment options with Mebendazole.
Worm TypesWorld Health Organization guidelines for preventive chemotherapy and mass drug administration.
WHO GuidelinesHealthcare professional resources including clinical guidelines and treatment protocols.
HCP ResourcesImportant information for patients taking Mebendazole Tablets
Please read the Patient Information Leaflet carefully before taking this medicine. It contains important information about dosage, side effects, and precautions.
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