anthelmintic hero

Deworming Medicine

Broad-Spectrum Intestinal Deworming for Humans — Single Dose

Abdominal pain, perianal itching, unexplained weight loss, or visible worms in stools signal intestinal parasitic infection. Albendazole and Mebendazole block glucose uptake in worm cells, killing parasites that are then expelled naturally — for human use only.

💊 Deworming medicines at Intimo Life cover roundworm, pinworm, hookworm, and whipworm, for adults and children under pharmacist guidance.

👨‍⚕️ Consult a pharmacist online instantly — no travel, no queues, completely private and convenient.

🚚 Fast, confidential delivery — plain packaging with no product names on the outside, delivered safely to your door.

Anthelmintics for humans target intestinal parasites. Albendazole and Mebendazole inhibit β-tubulin in worm cells, blocking glucose uptake so the worm dies. Human β-tubulin differs structurally, making these drugs selectively toxic to parasites.

📊 Key clinical statistics:

  • Soil-transmitted helminth infections affect an estimated 24% of the global population — approximately 1.5 billion people — with the highest burden in Southeast Asia
  • A single 400 mg dose of Albendazole achieves over 95% cure rates for roundworm and pinworm in adults
  • Pinworm eggs survive on surfaces for up to 2 weeks — household transmission is common; all members should be treated simultaneously with a repeat dose at 2 weeks

💊 At Intimo Life, deworming medicines cover two main options:

  • Albendazole — broad-spectrum for roundworm, pinworm, hookworm, whipworm, and Strongyloides; single 400 mg dose for most infections
  • Mebendazole — roundworm, pinworm, hookworm, and whipworm; 100 mg dose per pharmacist guidance

⚠️ Human and veterinary dewormers are not interchangeable — never use animal products on people. Consult a pharmacist before use, especially in the first trimester and for children under 1 year.

ทีมเนื้อหา Intimo Life

Medically reviewed by

ทีมเนื้อหา Intimo Life | Supatcheree A., Pharmacist

Last reviewed: 2026-06-25

Deworming Medicine

About Deworming Medicine

What are anthelmintics? How do deworming medicines work?

Anthelmintics for humans eliminate intestinal parasites. The two key medicines are Albendazole and Mebendazole.

  • Mechanism — both inhibit β-tubulin in worm cells, blocking glucose absorption; the worm dies in days
  • Worm expulsion — dead worms pass in stools 1–3 days after treatment; this is normal
  • Selectivity — human β-tubulin differs from helminth β-tubulin, so these drugs act on parasites with minimal human side effects

Human anthelmintics differ from veterinary products. Never use animal dewormers on people.

Which types of worms do deworming medicines treat?

Albendazole and Mebendazole cover intestinal worms that infect humans:

  • Roundworm (Ascaris) — up to 35 cm; abdominal pain, cough, weight loss
  • Pinworm (Enterobius) — common in children; perianal itch at night; re-dose after 2 weeks
  • Hookworm — causes anaemia; higher risk in children and pregnant women
  • Whipworm (Trichuris) — chronic diarrhoea and abdominal pain
  • Tapeworm (Cestodes) — some respond to Albendazole; others require Praziquantel or Niclosamide

These medicines do not treat blood-borne parasites. Diagnosis before treatment is essential.

When and how should deworming medicine be taken correctly?

Dosing depends on drug and worm type.

  • Albendazole 400 mg — take with fatty food; single dose for roundworm and pinworm; 3-day course for Strongyloides
  • Mebendazole 100 mg — with or without food; single dose for pinworm; twice daily for 3 days for other worm types
  • Pinworm — always repeat after 2 weeks; medicine kills worms, not eggs
  • Treat all household members simultaneously to stop re-infection

No fasting or laxatives required. Consult a pharmacist for the correct dose.

Albendazole vs Mebendazole — what is the difference? Which deworming medicine to choose?

Albendazole and Mebendazole are both Benzimidazole anthelmintics but differ in key ways:

  • Absorption — Albendazole absorbs better with fatty food; Mebendazole acts mainly in the intestinal lumen
  • Dosing — Albendazole: single 400 mg dose; Mebendazole: 3-day course for some worm types
  • Spectrum — both cover roundworm, pinworm, hookworm, whipworm; Albendazole also covers Strongyloides
  • Thai brands — Albendazole: ALBEMED, Zentel / Mebendazole: Fugacar

Selection depends on parasite species and age. Consult a pharmacist for guidance.

How often should deworming medicine be taken? Is periodic deworming recommended?

Deworming frequency depends on risk factors and WHO guidance.

  • High-risk (endemic) areas — WHO recommends deworming every 6 months for those with high STH exposure
  • School-age children in endemic settings — school programmes treat children 1–2 times per year
  • Urban adults with good sanitation — routine deworming without symptoms is not recommended
  • After pinworm treatment — a second dose 2 weeks later is always required

Good hygiene — handwashing and cooking food thoroughly — is the best prevention against re-infection.

What are the side effects of deworming medicine? What should be avoided?

Albendazole and Mebendazole are safe for standard short-course use.

  • Common side effects — mild abdominal pain, nausea, diarrhoea, headache; resolve in 1–2 days
  • Liver enzymes (uncommon) — may rise with prolonged use; monitoring recommended
  • First trimester — contraindicated — avoid Albendazole in early pregnancy
  • Drug interactions — Dexamethasone and Cimetidine raise Albendazole levels
  • Under 1 year — do not use without medical supervision

Consult a pharmacist before use if you have health conditions or take other medicines.

Generic vs brand deworming medicine — what is the difference? What are ALBEMED, Zentel, and Fugacar?

Thai deworming medicines are available as generics and branded products — same active ingredient.

  • Generic Albendazole / Mebendazole — Thai FDA-approved; equivalent efficacy, lower cost
  • ALBEMED — branded Albendazole for human use in Thailand
  • Zentel — branded Albendazole widely available in Thailand
  • Fugacar — branded Mebendazole for human deworming

Generics pass bioequivalence testing — lower price does not mean lower quality. Consult a pharmacist for the right option.

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เนื้อหาในบทความนี้มีจุดประสงค์เพื่อให้ความรู้ทั่วไปเท่านั้น ไม่ได้มีเจตนาทดแทนคำแนะนำ การวินิจฉัย หรือการรักษาจากแพทย์หรือเภสัชกรผู้เชี่ยวชาญ หากมีข้อสงสัยเกี่ยวกับอาการหรือการใช้ยา ควรปรึกษาแพทย์หรือเภสัชกรก่อนเสมอ

Frequently Asked Questions about Deworming Medicine

Albendazole is approved from age 1; Mebendazole from age 2. Children under 1 year must not receive deworming medicine without direct medical supervision. Paediatric doses depend on age and weight — always consult a pharmacist for the correct dose for your child.

Albendazole is contraindicated in the first trimester due to potential foetal harm. In the second and third trimesters, use only when benefit outweighs risk and under medical supervision. WHO generally recommends avoiding anthelmintics during pregnancy. Breastfeeding women should consult a pharmacist before use.

No fasting is required. Albendazole should be taken with a fatty meal to maximise absorption. Mebendazole may be taken with or without food. No laxative is needed and there are no dietary restrictions after taking the medicine.

Yes, completely normal. Dead worms appear in stools 1–3 days after treatment — this confirms the medicine is working. No additional action is needed. If live worms persist after completing treatment, consult a pharmacist for reassessment.

Yes. WHO and NHS recommend all household members take deworming medicine simultaneously for pinworm, even without symptoms. Pinworm eggs spread easily via hands and surfaces — treating only one person leads to re-infection. All members should also take a second dose together 2 weeks later.

Not always. Most tapeworm infections require Praziquantel or Niclosamide — not Albendazole. Using the wrong medicine will be ineffective. For suspected tapeworm, always consult a doctor or pharmacist to identify the species and receive the correct treatment.

For roundworm, hookworm, and whipworm, one dose is usually sufficient. For pinworm, a second dose 2 weeks later is always required. For Strongyloides, a 3-day Albendazole course may be needed. If symptoms persist after treatment, consult a pharmacist for re-evaluation.

Deworming medicine for humans is available online at Intimo Life — consult our pharmacist via LINE before ordering for a dose recommendation. Generic Albendazole and Mebendazole are affordable; pricing depends on formulation and pack size. Orders are sent in plain packaging with no product names, ensuring complete privacy.

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