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  3. Encarvir 0.5mg Tablet

Encarvir 0.5mg Tablet, Pack of 1 Tablet
Written By Veda Maddala , M Pharmacy
Reviewed By Bayyarapu Mahesh Kumar , M Pharmacy
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Composition :

ENTECAVIR-0.5MG

Manufacturer/Marketer :

Vestal Healthcare

Consume Type :

ORAL

Return Policy :

Not Returnable

About Encarvir 0.5mg Tablet

Encarvir 0.5mg Tablet belongs to a class of drugs called antivirals used to treat chronic hepatitis B virus (HBV) infection. Hepatitis B is a severe liver infection caused by the hepatitis B virus (HBV). It is highly contagious (spreads from one person to another) and spreads through intimate contact with the infected person, direct contact with infected blood, being pricked with a contaminated needle, using a razor or any other personal items with leftovers of infected fluid or even transfer from mother to baby during birth.

Encarvir 0.5mg Tablet contains Entecavir, an antiviral drug that works by inhibiting viral DNA polymerase enzyme action in the liver cells that is essential for the virus to multiply. Thereby, it stops the virus from making new viruses and reduces the amount of hepatitis B virus in the body.

Take Encarvir 0.5mg Tablet as prescribed by your doctor. You are advised to take Encarvir 0.5mg Tablet for as long as your doctor has prescribed it for you based on your medical condition. In some cases, you may experience dizziness, headache, nausea, vomiting, drowsiness, extreme tiredness, insomnia (inability to sleep), diarrhoea, or indigestion. Most of these side effects of Encarvir 0.5mg Tablet do not require medical attention and gradually resolve over time. However, if the side effects persist or worsen, please consult your doctor.

If you are allergic to Encarvir 0.5mg Tablet or any other medicines, please tell your doctor. If you are pregnant or breastfeeding, please consult a doctor before taking Encarvir 0.5mg Tablet. It is recommended to use effective contraceptive methods while using Encarvir 0.5mg Tablet to avoid pregnancy. Encarvir 0.5mg Tablet is not recommended for children below 2 years of age. If you experience stomach pain, vomiting, or nausea while taking Encarvir 0.5mg Tablet, it might indicate lactic acidosis development. This rare but serious side effect has occasionally been fatal. Lactic acidosis occurs more often in women, particularly if they are very overweight. Your doctor will monitor you regularly while you are receiving. If you have HIV/AIDS, kidney or liver problems, inform your doctor before taking Encarvir 0.5mg Tablet.

Uses of Encarvir 0.5mg Tablet

Chronic hepatitis B virus (HBV) infection

Directions for Use

Encarvir 0.5mg Tablet can be taken on an empty stomach, preferably 2 hours before or after a meal. Tablet: It should be swallowed as a whole with a glass of water. Do not break, crush or chew it. Oral solution: It should be taken by mouth using the measuring cup provided with the pack. Shake the bottle well before each use.

Medicinal Benefits

Encarvir 0.5mg Tablet contains Entecavir, an antiviral drug used to treat chronic hepatitis B virus (HBV) infection. Encarvir 0.5mg Tablet works by inhibiting viral DNA polymerase enzyme action in the liver cells that is essential for the virus to multiply. Thereby, it stops the virus from making new viruses and reduces the amount of hepatitis B virus in the body. Thus, decreases damage to the liver and improves liver functioning.

Storage

Keep Encarvir 0.5mg Tablet out of reach and sight of children.
Side effects of Encarvir 0.5mg Tablet
  • Wear compression garments like stockings, sleeves, or gloves to apply pressure and help stop fluid from building up, especially after the swelling goes down.
  • Move around and do exercises to help the fluid circulate, especially in swollen limbs. Ask your doctor for specific exercises.
  • Raise the swollen area above your heart level several times a day, even while sleeping, to help reduce swelling.
  • Gently massage the swollen area with firm but not painful pressure.
  • Keep the swollen area clean and moisturized to prevent injury and infection.
  • Reduce salt intake to help prevent fluid from building up and worsening the swelling, as advised by a doctor.
  • If the swelling does not get better after a few days of home treatment or worsens, consult your doctor right away.
  • Eat a well-balanced diet, and avoid highly processed foods.
  • Regular exercise can help prevent ascites.
  • Maintain a healthy weight, as obesity is a risk factor for ascites.
  • Limit salt intake; try to consume no more than 2,000–4,000 milligrams of salt per day.
  • Avoid alcohol, as it can damage your liver and increase the risk of cirrhosis.
  • Practice safe sex, unprotected sex can lead to hepatitis, which can damage the liver and cause cirrhosis.
  • Get vaccinated for diseases like hepatitis, influenza, and pneumococcal.
Here's a comprehensive approach to managing medication-triggered fever:
  • Inform your doctor immediately if you experience a fever after starting a new medication.
  • Your doctor may adjust your medication regimen or dosage as needed to minimize fever symptoms.
  • Monitor your body temperature to monitor fever progression.
  • Drink plenty of fluids, such as water or electrolyte-rich beverages, to help your body regulate temperature.
  • Get plenty of rest and engage in relaxation techniques, such as deep breathing or meditation, to help manage fever symptoms.
  • Under the guidance of your doctor, consider taking medication, such as acetaminophen or ibuprofen, to help reduce fever.
  • If your fever is extremely high (over 103°F), or if you experience severe symptoms such as confusion, seizures, or difficulty breathing, seek immediate medical attention.
Here are the steps to manage the medication-triggered Upper respiratory tract infection:
  • Inform your doctor about the symptoms you're experiencing due to medication.
  • Your doctor may adjust your treatment plan, which could include changing your medication, adding new medications, or offering advice on managing your symptoms.
  • Practice good hygiene, including frequent handwashing, avoiding close contact with others, and avoiding sharing utensils or personal items.
  • Stay hydrated by drinking plenty of fluids to help loosen and clear mucus from your nose, throat, and airways.
  • Get plenty of rest and engage in stress-reducing activities to help your body recover. If your symptoms don't subside or worsen, consult your doctor for further guidance.
Dealing with Medication-Induced Headache:
  • Hydrate your body: Drink enough water to prevent dehydration and headaches.
  • Calm Your Mind: Deep breathing and meditation can help you relax and relieve stress.
  • Rest and Recharge: Sleep for 7-8 hours to reduce headache triggers.
  • Take rest: lie down in a quiet, dark environment.
  • Cold or warm compresses can help reduce tension.
  • Stay Upright: Maintain good posture to keep symptoms from getting worse.
  • To treat headaches naturally, try acupuncture or massage therapy.
  • Over-the-counter pain relievers include acetaminophen and ibuprofen.
  • Prescription Assistance: Speak with your doctor about more substantial drug alternatives.
  • Severe Headaches: Seek emergency medical assistance for sudden, severe headaches.
  • Frequent Headaches: If you get reoccurring headaches, consult your doctor.
  • Headaches with Symptoms: Seek medical attention if your headaches include fever, disorientation, or weakness.
  • Rest well; get enough sleep.
  • Eat a balanced diet and drink enough water.
  • Manage stress with yoga and meditation.
  • Limit alcohol and caffeine.
  • Physical activities like walking or jogging might help boost energy and make you feel less tired.
Here are the 7 steps to manage Dizziness caused by medication:
  • Inform your doctor about dizziness symptoms. They may adjust your medication regimen or prescribe additional medications to manage symptoms.
  • Follow your doctor's instructions for taking medication, and take it at the same time every day to minimize dizziness.
  • When standing up, do so slowly and carefully to avoid sudden dizziness.
  • Avoid making sudden movements, such as turning or bending quickly, which can exacerbate dizziness.
  • Drink plenty of water throughout the day to stay hydrated and help alleviate dizziness symptoms.
  • If you're feeling dizzy, sit or lie down and rest until the dizziness passes.
  • Track when dizziness occurs and any factors that may trigger it, and share this information with your doctor to help manage symptoms.

Drug Warnings

If you are allergic to Encarvir 0.5mg Tablet or any other medicines, please tell your doctor. If you are pregnant or breastfeeding, please consult a doctor before taking Encarvir 0.5mg Tablet. It is recommended to use effective contraceptive methods while using Encarvir 0.5mg Tablet to avoid pregnancy. Encarvir 0.5mg Tablet is not recommended for children below 2 years of age. You are advised to take proper precautions if you are infected with hepatitis B virus infection to prevent infection spread to others through sexual contact or body fluids. Hepatitis B vaccine should be taken to prevent Hepatitis B virus infection. If you experience stomach pain, vomiting or nausea while taking Encarvir 0.5mg Tablet, it might indicate lactic acidosis development. This rare but serious side effect has occasionally been fatal. Lactic acidosis occurs more often in women, particularly if they are very overweight. Your doctor will monitor you regularly while you are receiving. If you have HIV/AIDS, kidney or liver problems, inform your doctor before taking Encarvir 0.5mg Tablet.

Drug-Drug Interactions

verifiedApollotooltip
EntecavirMethotrexate
Severe
EntecavirAllopurinol
Severe

Drug-Drug Interactions

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EntecavirMethotrexate
Severe
How does the drug interact with Encarvir 0.5mg Tablet:
The combined use of Encarvir 0.5mg Tablet with methotrexate may increase levels of Encarvir 0.5mg Tablet, and increase the risk or severity of kidney damage.

How to manage the interaction:
Although there is a possible interaction between Encarvir 0.5mg Tablet and methotrexate, you can take these medicines together if prescribed by your doctor. However, if you experience any symptoms such as nausea, vomiting, loss of appetite, increased or decreased urination, sudden weight gain or weight loss, fluid retention, swelling, shortness of breath, tiredness, weakness, dizziness. Consult a doctor. Do not stop using any medications without consulting a doctor.
EntecavirAllopurinol
Severe
How does the drug interact with Encarvir 0.5mg Tablet:
Coadministration of Allopurinol with Encarvir 0.5mg Tablet may increase the blood levels of one or both medicines and increase side effects.

How to manage the interaction:
If you are supposed to take Allopurinol and Encarvir 0.5mg Tablet together, your doctor may adjust the dose or monitor you more frequently to safely use both medications. However, if you experience increased side effects, contact your doctor.
EntecavirCiprofloxacin
Severe
How does the drug interact with Encarvir 0.5mg Tablet:
Combining Encarvir 0.5mg Tablet with ciprofloxacin may result in higher blood levels of one or both the medications.

How to manage the interaction:
Although taking ciprofloxacin and Encarvir 0.5mg Tablet together can possibly result in an interaction, it can be taken if your doctor has prescribed it. If your situation changes or you start to notice more side effects, consult your doctor.

Drug-Food Interactions

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No Drug - Food interactions found in our database. Some may be unknown. Consult your doctor for what to avoid during medication.

Drug-Food Interactions

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Diet & Lifestyle Advise

  • Include plenty of vegetables and fruits, and whole grains such as brown rice, oats, quinoa, and barley.
  • Eat lean protein such as skinless chicken, fish, beans, and egg whites.
  • Include healthy fats like avocados, olive oil, and nuts.
  • Eat low-fat or non-fat dairy products to minimize damage to the liver.
  • Drink plenty of water for better processing of food by the body.
  • Avoid sugary foods such as cake, cookies, packaged baked food, or soda. Also, avoid heavy salt foods.
  • Avoid foods containing saturated fats such as fried foods, fatty cuts of meat, sour cream, butter, and other high-fat dairy products as they may lead to weight gain and result in fatty liver.
  • Avoid smoking and alcohol consumption as they may increase the risk of liver damage.

Side Effects of Encarvir 0.5mg Tablet

  • Dizziness
  • Headache
  • Nausea
  • Vomiting
  • Drowsiness
  • Extreme tiredness
  • Insomnia (inability to sleep)
  • Diarrhoea
  • Indigestion

Habit Forming

No

Therapeutic Class

ANTIVIRALS

Encarvir 0.5mg Tablet Substitute

Substitutes safety advice

Product Substitutes

Author Details

Veda MaddalaDoctor badge

Written By

Veda Maddala

M Pharmacy

Bayyarapu Mahesh KumarDoctor badge

Reviewed By

Bayyarapu Mahesh Kumar

M Pharmacy

Last Updated

Jul 8, 2025 | 9:33 AM IST

Doctor imageWe provide you with authentic, trustworthy and relevant information

Drug-Diseases Interactions

verifiedApollotooltip
No Drug - Disease interactions found in our database. Some may be unknown. Consult your doctor for what to avoid during medication.

Drug-Diseases Interactions

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FAQs

Encarvir 0.5mg Tablet contains Entecavir, an antiviral drug that works by preventing viral DNA polymerase enzyme action in the liver cells that is essential for the virus to multiply. Thereby, it stops the virus from making new viruses and reduces the amount of hepatitis B virus in the body.

Yes, hepatitis B virus infection is highly contagious and spreads from one person to another. Therefore, it is recommended to avoid sharing personal items or needles containing an infected person's blood or body fluids.

Encarvir 0.5mg Tablet may cause lactic acidosis (excess of lactic acid in the blood), a rare but a severe side effect, especially in women who are very obese. However, if you experience stomach pain, vomiting or nausea while taking Encarvir 0.5mg Tablet, please consult a doctor immediately.

You are not recommended to take Encarvir 0.5mg Tablet with celecoxib (painkiller), as it may increase the blood levels of Encarvir 0.5mg Tablet, leading to more adverse effects and may also affect kidney function. However, please consult your doctor before taking Encarvir 0.5mg Tablet with other medicines.

Encarvir 0.5mg Tablet does not cure hepatitis B virus infection. Encarvir 0.5mg Tablet reduces the amount of hepatitis B virus in the body and improves liver functioning by decreasing liver damage.

Encarvir 0.5mg Tablet is not recommended for hepatitis B patients with HIV infection unless they are taking medicines to treat HIV infection at the same time as Encarvir 0.5mg Tablet may cause HIV infection to become resistant to certain HIV drugs and reduce their effectiveness. Therefore, it is advised to get tested for HIV infection before taking Encarvir 0.5mg Tablet.

You are not recommended to stop taking Encarvir 0.5mg Tablet without consulting your doctor as it may worsen the infection or cause recurring symptoms. Therefore, take Encarvir 0.5mg Tablet for as long as your doctor has prescribed it, and if you experience any difficulty while taking Encarvir 0.5mg Tablet, please consult your doctor.

Drug-Drug Interactions Checker List

  • CELECOXIB
  • ZOLEDRONIC ACID

Special Advise

Regular blood tests are recommended while taking Encarvir 0.5mg Tablet and several months after treatment with Encarvir 0.5mg Tablet to monitor liver functioning.

Disease/Condition Glossary

Hepatitis B: It is a severe liver infection caused by the hepatitis B virus (HBV). It is highly contagious (spreads from one person to another) and spreads through intimate contact with the infected person, direct contact with infected blood, being pricked with a contaminated needle, using a razor or any other personal items with leftovers of infected fluid or even transfer from mother to baby during birth. The virus can live for up to 7 days outside the body. Chronic hepatitis B develops slowly, and the symptoms may not be clear unless complications develop. The symptoms of hepatitis B may appear after 3 months of exposure to the virus and can last for 2 to 12 weeks. The complications of chronic hepatitis B include liver failure, liver cancer or liver cirrhosis (scarring). Hepatitis B can be prevented by taking the vaccination.

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