Hetrazan Tablet (Diethylcarbamazine)
Hetrazan Tablet is an antiparasitic drug used to treat filarial infections and related parasitic diseases by killing worms and reducing inflammation.
Introduction Of Hetrazan Tablet (Diethylcarbamazine)
Hetrazan Tablet contains Diethylcarbamazine Citrate (DEC), an antiparasitic medicine primarily used to treat filariasis — a parasitic infection caused by filarial worms transmitted through mosquito bites. It works by killing the larvae (microfilariae) and adult worms in the body, thus relieving symptoms such as swelling, fever, and pain.
It is also used for tropical eosinophilia and loiasis (eye worm disease).
Precautions Of Hetrazan Tablet
- Take only under medical supervision
Use cautiously if you have kidney or heart disease - Avoid self-medication or stopping suddenly — may worsen infection
- Inform your doctor if you experience allergic reactions or vision problems
- Not recommended during pregnancy or breastfeeding unless prescribed
- May cause dizziness; avoid driving or operating heavy machinery
Usage Of Hetrazan Tablet
- Used to treat lymphatic filariasis (elephantiasis)
- Effective in tropical pulmonary eosinophilia
- Used for Loiasis (African eye worm)
- Sometimes used for roundworm infections when other treatments are not effective
- Always take with food or milk to reduce stomach upset
- Complete the full prescribed course even if symptoms improve early
Side Effects Of Hetrazan Tablet
- Nausea or vomiting
- Headache
- Dizziness
- Loss of appetite
- Fatigue
- Fever or chills
- Muscle or joint pain
FAQs Of Hetrazan Tablet
Q1. What is Hetrazan Tablet used for?
Hetrazan is used to treat filariasis and other parasitic infections like tropical eosinophilia and loiasis.
Q2. How does Hetrazan work?
It kills both larval and adult stages of parasitic worms and helps relieve symptoms of infection.
Q3. How should I take Hetrazan?
Take it after meals with water or milk. Follow the dosage exactly as prescribed.
Q4. Can I take Hetrazan with other antiparasitic medicines?
Only if advised by your doctor. Combining them may cause adverse effects.
Q5. Does Hetrazan cause sleepiness?
It may cause mild dizziness or drowsiness in some patients.
Q6. Is Hetrazan safe for pregnant women?
Not recommended unless clearly prescribed by your doctor.
Q7. What should I do if I miss a dose?
Take it as soon as you remember, but skip it if it’s almost time for your next dose. Don’t double the dose.
Interactions Of Hetrazan Tablet
- Hetrazan may interact with:
- Antihistamines (Cetirizine, Loratadine) – may increase drowsiness
- Antimalarial drugs (Chloroquine, Quinine) – possible additive side effects
- Corticosteroids – may alter immune response
- Other antiparasitic agents – use only under doctor’s advice to avoid toxicity
- Always inform your doctor about all medicines and supplements you are taking.
| Manufacturer | : | Pfizer Ltd, India |
| Trade Name | : | Tegretol |
| Generic Search | : | Diethylcarbamazine |
| Strength | : | 100mg |









