Drug Identity
Active Ingredient
Entecavir
Chemical Class
Antiviral Agents pharmacological group on the basis of mechanism of action
Pharmacological Group
on the basis of mechanism of action
ATC Code
J05AF10
Status
Essential Medicine
What is Entawin?
Uses
Entecavir is an antiviral medicine that is used to treat chronic hepatitis B virus (HBV) in adults and children who are at least 2 years ...
How It Works
Chemical Class
Antiviral Agents pharmacological group on the basis of mechanism of action
Pharmacological Group
on the basis of mechanism of action
. It is of Synthetic origin. It belongs to Antiviral Agents pharmacological group on the basis of mechanism of action. The Molecular Weight of Entecavir is 295.30. Its pKa is 14.64.
How to Take It
1
Adult · PO
0.1 to 1 mg — 24 hourly
2
Adult
Scraped Dose
Follow all directions on your prescription label and read all medication guides or instruction sheets. Take the medicine exactly as directed. Take entecavir on an empty stomach, at least 2 hours af
Safety Alerts
You should not take entecavir if you are allergic to it
You may need to be tested for HIV before you start taking entecavir
Taking medicine to treat chronic hepatitis B can cause HIV infection to become resistant to certain HIV and AIDS medications
Tell your doctor if you have or have ever had: HIV or AIDS (or if you have been exposed to HIV)
if you also take lamivudine (Epivir, Epzicom , Trizivir ) or telbivudine (Tyzeka)
Important Warnings
You may not take entecavir if you have HIV (human immunodeficiency virus) that is not being treated
Ask your doctor about your individual risk
You may develop lactic acidosis, a dangerous build-up of lactic acid in your blood
Call your doctor or get emergency medical help if you have unusual muscle pain, trouble breathing, stomach pain, dizziness, feeling cold, or feeling very weak or tired
This medication can cause liver problems
Call your doctor if you have swelling around your midsection, right-sided upper stomach pain, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes)
If you've had hepatitis B, it may come back or get worse after you stop taking entecavir
You may need frequent liver function tests for several months
Side Effects
Get emergency medical help if you have signs of an allergic reaction : hivesdifficult breathingswelling of your facelipstongueor throat. Some people taking entecavir develop lactic acidosis . Get emergency medical help if you have symptoms of lactic acidosis such as: unusual muscle painfeeling coldtrouble breathingfeeling dizzylight-headedtiredor very weakstomach painvomitingor fast or irregular heartbeats. Entecavir may also cause severe liver symptoms. Call your doctor at once if you have: swelling around your midsection
Drug Interactions
Other drugs may affect entecavir
including prescription and over-the-counter medicines
vitamins
and herbal products . Tell your doctor about all other medicines you use.
Storage
Tabs, Soln. Store in a well closed container, at room temperature. Protect from Sunlight, Moisture and Heat.
Price Intelligence
Rs 20,352.17
DRAP approved maximum price · per pack of 30 · approved 05 Sep, 2025
No retail price observed for this pack. Retailers may not exceed the approved maximum.
Prices across sources
DRAPper pack of 30Rs 20,352.17
Should you consider an alternative?
Other options containing Entecavir, and what they are not.
Identical active ingredient at the same strength. Cheapest per unit first.
Centaurus
0.5Mg
Rs 1,147.1Rs 114.71/unit
Lowest price per unitBelow approved ceilingNo DRAP alerts
Tacavir
0.5mg
Rs 1,749.9
Below approved ceilingNo DRAP alertsCCL Pharmaceuticals (Pvt.) Ltd.
Eteva
0.5mg
Rs 3,999.9
Below approved ceilingS.J & G. Fazul Ellahie (pvt) limited.
Regmont
0.5mg
Rs 5,818.05
No DRAP alertsDe-Mont Research Laboratories (Pvt.) Ltd.
Zentavir
0.5mg
Rs 7,045.78
No DRAP alertsAJ Mirza Pharma Pvt Ltd DSL: 235
Tacavireachfilmcoated
0.5mg
Rs 21,357.15
No DRAP alertsCCL Pharmaceuticals (Pvt.) Ltd.
Gitver
0.5mg
Rs 3,140.99 ceiling
Glitz Pharma
Wyvia
0.5mg
Rs 9,365.23 ceiling
WERRICK PHARMACEUTICALS
Evicar
0.5mg
Rs 9,764.92 ceiling
BIO LABS (PVT) LTD.
Genovir
0.5mg
Rs 12,618.55 ceiling
No DRAP alertsGENOME PHARMACEUTICALS (PVT) LTD
Xotivir
0.5mg
Rs 21,355.13 ceiling
No DRAP alertsAGP Limited
Viromed
0.5mg
Rs 9,827.87 ceiling
No DRAP alertsMEDERA PHARMACEUTICALS (PVT) LTD.
Ordered by lowest price per unit where a pack size is known, then by price. Order is never affected by sponsorship. Not medical advice — confirm any change with your pharmacist or doctor.
For pharma professionalsCompany, market and opportunity intelligence
Company
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