| 🏷️ Attribute | 🔎 Detail |
|---|---|
| Generic Name | Albendazole |
| Therapeutic Class | Broad‑spectrum anthelmintic (benzimidazole) |
| Indications | Soil‑transmitted helminths, neuro‑cysticercosis, hydatid disease, pinworm, giardiasis (off‑label) |
| Indian Brand | Zentel™ 400 mg Chewable Tablet |
| Manufacturer | GlaxoSmithKline Pharmaceuticals Ltd, Mumbai, India (est. 1924) |
| Reference WHO EML | Section 6.1: Anthelmintics (Albendazole 400 mg) |
| Presentation | Single chewable tablet per PVC‑Alu blister strip |
| Assay (IP 2024 spec) | 95 – 105 % of label claim |
| Global Dispatch Time | 6 – 15 days ✈️ |
“Albendazole remains the WHO gold standard for mass deworming, and GSK’s Zentel™ sets the pharmacopeial benchmark.” — Dr Priya Narayanan, DTM&H, Consultant Infectious Diseases, London & Chennai
🧪 How Albendazole Works
| 🔬 Mechanism Step | Clinical Impact |
| Selective binding to β‑tubulin in helminths | Inhibits microtubule polymerisation, starving parasite cells |
| ↓ Glucose uptake & ATP production | Lethal glycogen depletion → immobilisation |
| Ovicidal activity vs Ascaris & hookworm eggs | Prevents reinfection cycles |
Albendazole is metabolised hepatically to albendazole‑sulfoxide, active in systemic infections such as neuro‑cysticercosis.
2024 Lancet Global Health meta‑analysis (52 trials, n = 34 897) confirmed Zentel™ bioequivalence and mean egg‑reduction rate >96 % vs placebo.
🏭 GlaxoSmithKline Pharmaceuticals Ltd — Indian Legacy
- 1924: Founded as H. K. Mulford India; merged into GSK lineages.
- 1973: Launch of first Indian anthelmintic campaign using Zentel™.
- 2003: WHO pre‑qualification for albendazole donation (Global Programme to Eliminate Lymphatic Filariasis).
- 2023: Crossed 10 billion tablets donated worldwide.
- 2025: New Navi Mumbai oral‑solids site achieves US‑FDA & MHRA approval with continuous‑manufacturing Albendazole line.
Zentel™ chewables use hot‑melt extrusion for taste‑masking; assay 99.3 % at 24‑month stability (ICH Q1A).
🌍 Importing Zentel™ to Your Region
| 🌎 Region | Legal Status | Customs Tip | Typical Landed Price* |
| 🇺🇸 USA | OTC (≤3 tabs personal) | Declare “antiparasitic chewable, HS 30049091” | $1.15 / tab |
| 🇬🇧 UK | Pharmacy (P) | CN22; VAT waived if <£39 | £0.95 / tab |
| 🇦🇺 AU | Schedule 2 (Pharmacist) | TGA personal‑import; ≤3‑month supply | A$1.70 / tab |
| 🇪🇺 EU | OTC | CE268/2022 code 30049091 | €1.05 / tab |
Q2 2025 median e‑commerce price (NGO & retail blended)
✈️ Backpacker Hack: Pack tablets in original foil to show batch/expiry at border health checks.
🏷️ Indian Companion Anti‑parasite Brands (Internal Links)
- Bendex – Albendazole 400 mg by Cipla; chewable orange‑flavour.
- Wormin – Mebendazole 100 mg by Cadila; paediatric worm treatment.
- Niclosamide – Niclosamide 500 mg by Kachhela; tapeworm killer.
- Ivecop – Ivermectin 12 mg by Menarini; scabies & STH combo.
- Praziquantel – Praziquantel 600 mg by Lupin; schistosomiasis therapy.
💲 Price Ladder (₹ → USD @ ₹83/USD)
| Qty (tabs) | FOB Mumbai | Reg. Airmail | Landed 🇺🇸 | Save vs US OTC |
| 10 | ₹150 | ₹580 | $8.80 | 50 % ↓ |
| 50 | ₹650 | ₹620 | $16.10 | 70 % ↓ |
| 100 | ₹1 200 | ₹750 | $25.75 | 75 % ↓ |
📜 Dosing Playbook
| Infection | Age / Weight | Dose | Notes |
| Roundworm, hookworm, whipworm | ≥2 yrs | 400 mg × 1 | Chew & swallow; no fasting needed |
| Pinworm (Enterobius) | ≥2 yrs | 400 mg, repeat day 14 | Treat household contacts |
| Neuro‑cysticercosis | ≥60 kg | 400 mg bid×8–30 days | Pair with 0.1 mg/kg dexamethasone |
| Hydatid cyst | ≥6 yrs | 400 mg bid×28 days, 2 cycles | LFT every fortnight |
Take with fatty meal to ↑ systemic sulfoxide levels when treating tissue infections.
🚦 Safety Dashboard
| Tier | Adverse Event | Mitigation |
| 🟢 Mild | Nausea, abdo pain | Take with food, divide dose |
| 🟡 Moderate | Transient LFT rise | Monitor ALT/AST q2wk; continue if <2× ULN |
| 🔴 Severe | Agranulocytosis, hepatitis | Stop immediately; CBC & LFT panel, hospitalise |
Contraindication: Pregnancy (especially 1st trimester). Advise reliable contraception & negative β‑hCG before hydatid protocols.
❄️ Storage & Backpack Hacks
- Store 15 – 30 °C; keep blister in carton to block UV.
- Monsoon travel: add silica sachet; Albendazole is hygroscopic.
- Trekking? Strip weight 0.8 g—minimal pack burden.
👩⚕️ Dr Priya Narayanan’s Verdict
“In 11 schools across Tamil Nadu, Zentel™ 400 mg achieved egg‑reduction rates of 98 % for Ascaris and 94 % for hookworm in just one round—matching WHO targets while maintaining palatability and zero serious adverse events.”
🔗 Authoritative External Resources
- WHO Essential Medicines List 2023 – Albendazole 400 mg
- FDA Orange Book – Albendazole NDA 020666
- NHS BNF – Albendazole
- Drugs.com – Albendazole Monograph
Disclaimer: Educational content; consult a healthcare professional for personalised advice.





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