Fenbendazole Weefen Tablet 150mg

Q1: What infections does Fenbendazole 150mg treat?

Fenbendazole 150mg treats intestinal helminth infections including roundworms (Ascaris lumbricoides), hookworms (Ancylostoma duodenale, Necator americanus), whipworms (Trichuris trichiura), and certain tapeworm species. The lower 150mg strength is well-suited for paediatric or lower body-weight dosing.

Q2: How does Fenbendazole work to eliminate parasites?

Fenbendazole binds to beta-tubulin in the parasitic cells, preventing microtubule polymerisation. This disrupts the worm's cellular structure, intracellular transport, and glucose metabolism, ultimately causing paralysis and death of the helminth without significant systemic toxicity.

Q3: How long does it take for Fenbendazole 150mg to work?

Parasites begin dying within hours of the first dose. Dead worms are typically passed in the stool over 1–3 days after completing the 3-day course. Abdominal symptoms such as bloating and discomfort usually resolve within 1–2 weeks of treatment completion.

Q4: What is the correct dose and frequency for Fenbendazole 150mg?

For most helminth infections, 150mg is taken once or twice daily for 3 consecutive days. Multiple 150mg tablets may be combined to achieve the therapeutic dose for heavier patients. The physician will specify the exact dose, frequency, and whether a repeat course is needed after 2–3 weeks.

Q5: Should I take Fenbendazole 150mg with food or on an empty stomach?

Fenbendazole 150mg can be taken with or without food. If gastrointestinal discomfort occurs, taking the tablet with a meal can improve tolerability. Ensure consistent administration throughout the treatment course.

Q6: Can I stop taking Fenbendazole 150mg when I feel better?

No. Complete all 3 days even if symptoms resolve. Stopping early may leave viable helminth eggs or larvae that can cause reinfestation within weeks. Hygiene measures including handwashing and laundering bedding should accompany treatment.

Q7: What are the most common side effects of Fenbendazole 150mg?

Fenbendazole is generally very well tolerated. Common side effects include mild nausea, abdominal cramping, and loose stools as dying worms are expelled. Rare effects include elevated liver enzymes and allergic reactions — report any unusual symptoms promptly to your doctor.

Q8: Is Fenbendazole 150mg safe for children?

The 150mg strength is particularly appropriate for paediatric use with weight-based dosing. Children under 2 years or weighing under 10kg should only receive this medicine under direct paediatric supervision. Always confirm the correct dose with a healthcare provider for children.

Q9: Can pregnant women take Fenbendazole 150mg?

Fenbendazole should be used with caution in pregnancy. Limited human safety data are available, and animal studies show some developmental effects at higher doses. Treatment decisions during pregnancy must be made by a physician weighing the risks of infection against potential drug effects.

Q10: What should I do if I miss a dose?

Take the missed dose as soon as you remember on the same day. If an entire day is missed from the 3-day course, contact your doctor for advice on whether to extend or restart the course. Do not take two doses in one day without medical guidance.

Q11: How should Fenbendazole 150mg tablets be stored?

Store at room temperature between 15°C and 30°C. Keep away from moisture, heat, and direct sunlight. Keep in the original blister packaging and out of reach of children. Do not use after the expiry date printed on the packaging.

Q12: Do I need a prescription for Fenbendazole 150mg?

Prescription requirements vary by country. Proper diagnosis of the specific parasite species is important for selecting the most appropriate antiparasitic agent and dosing regimen. Consult a qualified healthcare provider to confirm the diagnosis before treatment.