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Cronivir Tablet Bottle

Cronivir Tablet

8 Verified reviews

Original price was: ₹2,372.Current price is: ₹940.

You Save ₹1,432 (60%)

Active Composition (per tablet)
Entecavir (0.5 mg)
Cronivir Tablet (Entecavir 0.5mg) is a prescription antiviral medicine used in the treatment of chronic hepatitis B virus (HBV) infection in adults. It contains Entecavir, a nucleoside analogue (NRTI) that works by blocking the HBV DNA polymerase enzyme the virus needs to multiply, helping to lower HBV DNA viral load and slow the liver damage caused by long-term infection, such as fibrosis and cirrhosis. Cronivir Tablet is taken once daily on an empty stomach and is used as part of doctor-supervised, long-term chronic hepatitis B management — it controls the infection but does not cure it.
  • 📦 Pack of 30 tablets
  • 🏭 Mfr: Hetero
  • ✅ Prescription required

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₹940
MRP ₹2,372 — You save 60%
  • Discreet Packaging
  • Cold Chain
  • Prescription Verified
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Uses & Benefits
How It Works
Dosage
Safety
Side Effects
Manufacturer
Additional Details

Uses & Benefits

Uses & Benefits

Uses & Benefits

  • Helps in the treatment of chronic hepatitis B virus (HBV) infection in adults as prescribed by a doctor.
  • Works as an antiviral that reduces the replication of the hepatitis B virus.
  • Lowers HBV DNA viral load and helps improve liver inflammation over time.
  • Helps reduce the long-term risk of liver fibrosis, cirrhosis, and liver cancer.
  • Supports long-term liver health as part of ongoing, doctor-supervised HBV treatment.

Key Benefits

  • Provides effective, once-daily antiviral control of chronic hepatitis B.
  • Offers strong viral suppression with a high barrier to drug resistance.
  • Helps protect the liver by slowing inflammation and long-term damage.
  • Comes as a single small tablet, making daily treatment simple and convenient.
  • Generally well tolerated, with mild and manageable side effects in most patients.

How it works?

01

Blocks Viral Replication

Cronivir contains Entecavir, which blocks the HBV DNA polymerase enzyme the hepatitis B virus needs to copy its genetic material and multiply.

02

Reduces HBV Viral Load

By halting viral replication, Cronivir lowers the amount of hepatitis B virus (HBV DNA) in the blood over time.

03

Supports Liver Recovery

A lower viral load eases liver inflammation, helping protect liver cells and reducing the long-term risk of cirrhosis and liver damage.

How to take?

1
Take one Cronivir Tablet once daily, exactly as prescribed by your doctor.
2
Take it on an empty stomach — at least 2 hours before or 2 hours after a meal.
3
Swallow the tablet whole with water; do not crush, break, or chew it.
4
Take it at the same time each day to keep steady levels in your body.
5
Do not stop the medicine suddenly; continue treatment as advised by your doctor.

Safety Advice

🍺

Alcohol

CAUTION

Caution is advised when consuming alcohol with CRONIVIR Tablet. Please consult your doctor for guidance.

🤰

Pregnancy

CONSULT YOUR DOCTOR

CRONIVIR Tablet is unsafe to use during pregnancy due to potential harm to the developing baby. It may only be prescribed in life-threatening situations where benefits outweigh the risks. Please consult your doctor.

🤱

Breastfeeding

CONSULT YOUR DOCTOR

There is insufficient information on the use of CRONIVIR Tablet while breastfeeding. Please consult your doctor before use.

🚗

Driving

CONSULT YOUR DOCTOR

It is uncertain whether CRONIVIR Tablet affects your ability to drive. Avoid driving if you experience drowsiness, dizziness, or reduced alertness.

🫘

Kidney

CONSULT YOUR DOCTOR

Limited data is available on the safety of CRONIVIR Tablet in patients with kidney disease. Dose adjustments may be necessary. Please consult your doctor.

🫀

Liver

CAUTION

CRONIVIR Tablet should be used with caution in patients with liver disease. Dose adjustments may be required based on the severity of the condition. Please consult your doctor.

Side Effects

⚡ Common Side Effects

Nausea and vomiting
Headache
Dizziness
Diarrhea
Sleep disturbances

⚠️ Serious – Seek Help Immediately

Lactic acidosis (muscle pain, trouble breathing, severe weakness).
Liver toxicity (yellowing of the skin/eyes, dark urine, severe abdominal pain).
Worsening kidney function in patients with existing kidney disease (changes in urination, swelling in feet/hands).
Severe allergic reactions (swelling of the face, difficulty breathing).
Worsening of Hepatitis B symptoms if the medicine is stopped suddenly.

Frequently Asked Questions

What is Cronivir Tablet used for?

›
Cronivir Tablet is used to treat chronic hepatitis B virus (HBV) infection in adults. It contains Entecavir 0.5mg — a nucleoside analogue antiviral — which lowers HBV DNA viral load, helps improve liver inflammation, and reduces the long-term risk of complications such as cirrhosis and liver cancer when taken as prescribed.

How should Cronivir Tablet be taken?

›
The usual dose is one Cronivir Tablet (Entecavir 0.5mg) once daily, or as prescribed by your doctor. Take it on an empty stomach — at least 2 hours after a meal and 2 hours before your next meal — and swallow the tablet whole with water. Never change the dose or stop the medicine without your doctor's advice.

Does Cronivir Tablet cure hepatitis B?

›
No. Cronivir Tablet does not cure hepatitis B. It controls the infection by reducing the amount of virus in your body and slowing liver damage, but treatment usually needs to be continued long-term under medical supervision. It also does not prevent the spread of HBV to others.

Why must Cronivir Tablet be taken on an empty stomach?

›
Food reduces how much Entecavir your body absorbs, which can make the medicine less effective. Taking Cronivir on an empty stomach — well apart from meals — ensures the drug works at its full strength against the hepatitis B virus. Keeping the same timing each day helps maintain steady levels in the body.

What happens if I stop taking Cronivir Tablet suddenly?

›
Stopping Cronivir Tablet abruptly can cause a severe, sudden worsening (flare) of hepatitis B, with rapid liver inflammation. This can be dangerous, so you should never stop the medicine on your own. If treatment needs to end, your doctor will monitor your liver function closely for several months afterwards.

Can Cronivir Tablet be used by people who have both HIV and hepatitis B?

›
Only under specialist medical supervision. Entecavir has some activity against HIV, and using it alone in someone with untreated HIV can encourage HIV drug resistance. People with HIV–HBV co-infection should be on a fully suppressive HIV treatment (ART) before or alongside Cronivir, exactly as directed by their doctor.

What is the difference between Cronivir 0.5mg and 1mg?

›
Cronivir 0.5mg is the usual dose for patients starting hepatitis B treatment who have not taken similar antivirals before. The 1mg strength is generally reserved for patients who have not responded to lamivudine or who have advanced (decompensated) liver disease. Your doctor decides the correct strength based on your treatment history and liver condition.

Is Cronivir Tablet safe for patients with kidney problems?

›
Cronivir should be used with caution in patients with reduced kidney function, and the dose may need to be adjusted depending on how well your kidneys are working. Regular kidney function monitoring is recommended during treatment. Always tell your doctor about any existing kidney disease before starting Cronivir.

What should I do if I miss a dose of Cronivir Tablet?

›
Take the missed dose as soon as you remember. If it is almost time for your next dose, skip the missed one and continue your regular schedule — do not take a double dose. Missing doses can reduce how well the medicine controls the virus and may increase the risk of resistance, so try to take it at the same time each day.

What are the serious side effects of Cronivir Tablet, and when should I seek help?

›
Most people tolerate Cronivir well, with mild effects such as headache, nausea, or dizziness. Seek medical help immediately if you notice signs of lactic acidosis (unusual muscle pain, trouble breathing, severe weakness), liver problems (yellowing of the skin or eyes, dark urine, severe abdominal pain), or a severe allergic reaction (swelling of the face, difficulty breathing). These are rare but require urgent attention.

Manufacturer

Cronivir Tablet is manufactured by Hetero, one of India's largest pharmaceutical companies and among the world's leading producers of antiviral and antiretroviral medicines, headquartered in Hyderabad, Telangana. Established in 1993, Hetero develops medicines across hepatitis care, HIV care, infectious diseases, oncology, and other therapeutic areas, and supplies essential antiviral treatments in India and across the globe. The company is known for its quality-assured antiviral medicines used in doctor-prescribed treatment for chronic hepatitis B and patient care.

Additional Details

1
Brand Name: Cronivir Tablet
2
Generic Composition: Entecavir 0.5mg
3
Drug Class: Nucleoside Analogue / Reverse Transcriptase Inhibitor (Antiviral)
4
Therapeutic Use: Chronic hepatitis B virus (HBV) infection in adults
5
Dosage Form: Oral tablet
6
Pack Size: Bottle of 30 tablets
7
Manufacturer: Hetero, India
8
Prescription Status: Prescription required
9
Storage: Store at room temperature (15–30°C) in a dry place, away from moisture and direct sunlight
10
Country of Origin: India

Customer Reviews

4.1
★★★★☆
8 reviews
5 ★
3
4 ★
3
3 ★
2
2 ★
0
1 ★
0
Ritesh K.
★★★★★
16 May 2026

Doctor recommended Cronivir Tablet as part of treatment I checked details before ordering and process was smooth Overall good experience for me

Rahul V.
★★★★★
11 April 2026

Doctor ne suggest kiya tha Cronivir Tablet so order kiya Starting me thoda doubt tha but page pe info dekh ke easy laga

Aman P.
★★★★☆
8 March 2026

Good experience overall Medicine information was useful and ordering process was not difficult Everything went fine

Vikas M.
★★★☆☆
19 December 2025

Overall okay experience I read medicine details before ordering and it helped Process simple enough

Rohan S.
★★★★★
27 September 2025

I ordered after consultation Website had useful information and process felt easy No issue while ordering

Amit J.
★★★★☆
22 August 2025

Good tha overall Medicine ke bare me basic details mil gaya so samajhne me easy hua Process bhi simple tha

Nikhil T.
★★★★☆
14 June 2025

First time ordering Cronivir Tablet Details were helpful and ordering process was smooth overall

Karan D.
★★★☆☆
9 February 2025

Thik tha experience Pehle little confuse hua but info padh ke samajh aa gaya Order karna difficult nahi tha

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Recommended Lab Tests

Hepatitis B Viral Load Test
Liver Function Test (LFT)
HBV DNA Quantification Test
Kidney Function Test (KFT)
Complete Blood Count (CBC)
Book Lab Tests

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Storage Instructions

  • 🌡️ Store at room temperature (15°C–30°C) in its original pack. Do not refrigerate.
  • 💧 Keep in a cool, dry place — away from sunlight, heat, and moisture.
  • 🧒 Keep out of reach of children and pets.
  • ⚠️ Do not use after the expiry date; dispose of expired medicine through a registered pharmacy.

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