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  3. VIRO 4 KIT TABLET

VIRO 4 KIT TABLET, Pack of 1
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Written By Lakshmithulasi Yarragunta ,
Reviewed By Dr Aneela Siddabathuni , MPharma., PhD

VIRO 4 KIT TABLET is used to treat HIV infection. It contains Lamivudine, Atazanavir, Ritonavir and Tenofovir disoproxil. Lamivudine is a nucleoside reverse transcriptase inhibitor, and Tenofovir disoproxil is a nucleotide reverse transcriptase inhibitor. These two drugs work by interfering with the working of nucleotide and nucleoside reverse transcriptase enzymes necessary for the virus's reproduction. Atazanavir and Ritonavir belong to the class of protease inhibitors. They work by inhibiting the protease enzyme production, which HIV-infected cells require to make new viruses. This effect helps to inhibit viral replication. Altogether, they help in treating HIV infection.

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Composition :

ATAZANAVIR-300MG + LAMIVUDINE-300MG + RITONAVIR-100MG + TENOFOVIR DISOPROXIL-300MG

Manufacturer/Marketer :

Emcure Pharmaceuticals Ltd

Consume Type :

ORAL

Return Policy :

Not Returnable

Expires on or after :

About VIRO 4 KIT TABLET

VIRO 4 KIT TABLET is an antiretroviral medicine used to treat HIV infection. HIV (Human Immunodeficiency Virus) attacks the immune system and destroys the white blood cells that help fight infections, making the individual susceptible to other infections or illnesses.
 
VIRO 4 KIT TABLET is a combination of four drugs: Lamivudine, Atazanavir, Ritonavir and Tenofovir disoproxil. Lamivudine is a nucleoside reverse transcriptase inhibitor, and Tenofovir disoproxil is a nucleotide reverse transcriptase inhibitor. These two drugs work by interfering with the working of nucleotide and nucleoside reverse transcriptase enzymes necessary for the virus's reproduction. Atazanavir and Ritonavir belong to the class of protease inhibitors. They work by inhibiting the protease enzyme production, which HIV-infected cells require to make new viruses. This effect helps to inhibit viral replication. Altogether, VIRO 4 KIT TABLET helps in treating HIV infection.
 
Take VIRO 4 KIT TABLET exactly as prescribed by the doctor. The dose of this medicine will be decided by your doctor, depending on your medical condition. This medicine may cause certain common side effects such as dizziness, nausea, vomiting, diarrhea, weakness, and rash. Most of these side effects do not require medical attention and will resolve gradually. However, you are advised to talk to your doctor if you experience these side effects persistently.
 
It is not recommended to take VIRO 4 KIT TABLET if you are allergic to any of its contents. Practise safe sex and other necessary precautions as VIRO 4 KIT TABLET does not prevent the spread of HIV infection. Consult your doctor if you are pregnant or planning pregnancy. Avoid breastfeeding while taking VIRO 4 KIT TABLET. VIRO 4 KIT TABLET may cause dizziness, so drive with caution. VIRO 4 KIT TABLET is not recommended for children as safety is not established. Keep your doctor informed about your health condition and the medicines you are taking to prevent any side effects. Before taking VIRO 4 KIT TABLET, inform your doctor if you have liver disease, hepatitis B or C (liver infections), haemophilia (bleeding disorder), erectile dysfunction, diabetes, gall stones, and kidney disease.

Uses of VIRO 4 KIT TABLET

Treatment of HIV infection

Directions for Use

• VIRO 4 KIT TABLET can be taken with or without food as advised by the doctor.• Follow your doctor's instructions on the dosage and timing of this medication to ensure safety.• Swallow VIRO 4 KIT TABLET as a whole with a glass of water.• Do not chew, crush or break it.

Medicinal Benefits

VIRO 4 KIT TABLET belongs to a group of antiretroviral medicines used to treat HIV infection. VIRO 4 KIT TABLET is a combination of four drugs: Lamivudine, Atazanavir, Ritonavir and Tenofovir disoproxil. Lamivudine is a nucleoside reverse transcriptase inhibitor, and Tenofovir disoproxil is a nucleotide reverse transcriptase inhibitor. These two drugs work by interfering with the working of nucleotide and nucleoside reverse transcriptase enzymes necessary for the virus's reproduction. Atazanavir and Ritonavir belong to the class of protease inhibitors. They work by inhibiting the protease enzyme production, which HIV-infected cells require to make new viruses. This effect helps to inhibit viral replication. Altogether, VIRO 4 KIT TABLET helps in treating HIV infection.

How VIRO 4 KIT TABLET Works

VIRO 4 KIT TABLET is a combination of four drugs: Lamivudine, Atazanavir, Ritonavir and Tenofovir disoproxil. Lamivudine is a nucleoside reverse transcriptase inhibitor, and Tenofovir disoproxil is a nucleotide reverse transcriptase inhibitor. These two drugs work by interfering with the working of nucleotide and nucleoside reverse transcriptase enzymes necessary for the virus's reproduction. Atazanavir and Ritonavir belong to the class of protease inhibitors. They work by inhibiting the protease enzyme production, which HIV-infected cells require to make new viruses. This effect helps to inhibit viral replication. Altogether, VIRO 4 KIT TABLET helps in treating HIV infection.

Storage

• Store in a cool and dry place away from sunlight.• Keep VIRO 4 KIT TABLET out of the sight and reach of children. • Non cold chain - To be stored in cool places at 10ºC to 25ºC or below 30ºC.

What if I have taken an overdose of VIRO 4 KIT TABLET

Do not take more than the prescribed dose. Using more medication will not improve your symptoms; instead, they may cause serious side effects or poisoning. If you suspect that you may have overdosed of VIRO 4 KIT TABLET or observe any side effects, please go to the emergency department of the closest hospital or nursing home. No specific side effects have been reported under these circumstances.

Drug Warnings

Do not take VIRO 4 KIT TABLET if you are allergic to its components. Inform your doctor if you have a history of hepatitis B or C infection, bone problems, pancreas disorder, kidney or liver problems or are older than 65. Practise safe sex and other necessary precautions as VIRO 4 KIT TABLET does not prevent the spread of HIV infection. Consult your doctor if you are pregnant or planning pregnancy. Avoid breastfeeding while taking VIRO 4 KIT TABLET. VIRO 4 KIT TABLET may cause dizziness, so drive with caution. VIRO 4 KIT TABLET is not recommended for children as safety and efficacy are not established. Talk to your doctor immediately if you notice any signs or symptoms of infection or inflammation. VIRO 4 KIT TABLET may lead to opportunistic infections (infections that occur frequently or severely in patients with weak immune systems), so inform your doctor immediately if you experience symptoms of infection such as muscle weakness, weakness beginning in the hands and feet that progress towards the trunk, palpitations (pounding heartbeat), and tremors.

Drug-Drug Interactions

verifiedApollotooltip
RitonavirAmiodarone
Critical
RitonavirNimodipine
Critical

Drug-Drug Interactions

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RitonavirAmiodarone
Critical
How does the drug interact with Viro 4 Kit Tablet:
The combination of Amiodarone and Viro 4 Kit Tablet may significantly increase the blood levels of Amiodarone.

How to manage the interaction:
Despite the fact that Amiodarone and Viro 4 Kit Tablet interact, it can be taken if prescribed by a doctor. If you get dizziness, shortness of breath, weakness, or chest tightness, consult a doctor. Do not stop taking any medications without visiting a doctor.
RitonavirNimodipine
Critical
How does the drug interact with Viro 4 Kit Tablet:
Taking Nimodipine with Viro 4 Kit Tablet can increase the blood levels of Viro 4 Kit Tablet, which may lead to increased side effects.

How to manage the interaction:
Taking Nimodipine with Viro 4 Kit Tablet is not recommended as it can possibly result in an interaction, it can be taken if your doctor has advised it. However, if you experience irregular heart rhythm, swelling, and lightheadedness, contact a doctor. Do not discontinue any medications without consulting a doctor.
RitonavirTolvaptan
Critical
How does the drug interact with Viro 4 Kit Tablet:
Taking Viro 4 Kit Tablet and Tolvaptan may significantly increase the blood levels of tolvaptan.

How to manage the interaction:
Taking Tolvaptan with Viro 4 Kit Tablet is not recommended as it can possibly result in an interaction, it can be taken if a doctor has advised it. If you notice any of these symptoms like difficulty swallowing, trouble speaking, muscle weakness, trouble controlling body movements, confusion, mood changes, fits, contact a doctor. Do not discontinue any medications without consulting a doctor.
RitonavirFlecainide
Critical
How does the drug interact with Viro 4 Kit Tablet:
Coadministration of Flecainide with Viro 4 Kit Tablet can increase the risk of irregular heart rhythms.

How to manage the interaction:
Taking Flecainide with Viro 4 Kit Tablet is generally avoided, it can be taken if prescribed by a doctor. However, if you experience any unusual symptoms like chest tightness, dizziness, shortness of breath, or weakness, contact a doctor immediately. Do not discontinue any medications without consulting a doctor.
RitonavirSimvastatin
Critical
How does the drug interact with Viro 4 Kit Tablet:
Taking Viro 4 Kit Tablet and Simvastatin may increase the risk of side effects.

How to manage the interaction:
Taking Simvastatin with Viro 4 Kit Tablet is not recommended as it can possibly result in an interaction, it can be taken if your doctor has advised it. However, if you experience fever, chills, joint pain or swelling, unusual bleeding or bruising, skin rash, itching, loss of hunger, tiredness, nausea, vomiting, dark colored urine, and/or yellowing of the skin or eyes, contact a doctor. Do not discontinue any medications without consulting a doctor.
RitonavirRanolazine
Critical
How does the drug interact with Viro 4 Kit Tablet:
Taking Viro 4 Kit Tablet and Ranolazine may significantly increase the blood levels and effects of Ranolazine.

How to manage the interaction:
Co-administration of Ranolazine with Viro 4 Kit Tablet can possibly result in an interaction, but it can be taken if a doctor has advised it. In case you experience any symptoms like feeling lightheaded, fainting, or rapid heartbeats, consult a doctor. Do not stop using any medications without a doctor's advice.
RitonavirLovastatin
Critical
How does the drug interact with Viro 4 Kit Tablet:
When Lovastatin is taken with Viro 4 Kit Tablet, it may increase the risk of side effects such as liver damage.

How to manage the interaction:
Taking Viro 4 Kit Tablet and Lovastatin not recommended as it can possibly result in an interaction, it can be taken if your doctor has advised it. If you notice any of these symptoms like muscle pain, tenderness, or weakness fever, chills, joint pain or swelling, unusual bleeding or bruising, skin rash, itching, loss of hunger, fatigue, nausea, vomiting, dark colored urine, and/or yellowing of the skin or eyes contact a doctor. Do not discontinue any medications without consulting a doctor.
RitonavirPrimidone
Critical
How does the drug interact with Viro 4 Kit Tablet:
Taking Viro 4 Kit Tablet and primidone may decrease the blood levels of Viro 4 Kit Tablet.

How to manage the interaction:
Taking Primidone with Viro 4 Kit Tablet is not recommended as it can possibly result in an interaction, it can be taken if your doctor has advised it. However, if you experience any unusual symptoms, contact a doctor immediately. Do not discontinue any medications without consulting a doctor.
RitonavirTicagrelor
Critical
How does the drug interact with Viro 4 Kit Tablet:
Taking Ticagrelor with Viro 4 Kit Tablet may significantly increase the blood levels of Ticagrelor.

How to manage the interaction:
Taking Ticagrelor with Viro 4 Kit Tablet is not recommended, but it can be taken together if prescribed by a doctor. However, consult your doctor if you experience any unusual bleeding or bruising, swelling, vomiting, blood in your urine or stools, headache, dizziness, or weakness. Do not discontinue any medications without consulting a doctor.
RitonavirIsavuconazole
Critical
How does the drug interact with Viro 4 Kit Tablet:
Taking Isavuconazole with Viro 4 Kit Tablet may significantly increase the blood levels of Isavuconazole, which may increase the risk of side effects.

How to manage the interaction:
Taking Isavuconazole with Viro 4 Kit Tablet is not recommended as it can possibly result in an interaction, it can be taken if a doctor has advised it. If you notice any of these symptoms like nausea, vomiting, loose stools, light color stools or dark urine, consult a doctor. Do not discontinue any medications without consulting a 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

  • Eat a healthy and balanced diet. Eat vitamin and nutrient-rich food such as vegetables and fruit as it helps to boost your immune system. Try to take lean protein and whole grains.
  • Avoid eating raw meat and eggs. Consume properly boiled and cooked meat, poultry or seafood.
  • Eat bland and low-fat foods, and avoid spicy or oily foods if you experience nausea or vomiting.
  • Practise safe sex by using condoms; it helps in reducing contact with semen and vaginal fluids.
  • Never share personal items with body fluids or blood on them, such as razor blades or toothbrushes.
  • Avoid sharing used needles, other injection or drug equipment.
  • Get tested for other sexually transmitted infections, such as gonorrhoea or syphilis.
  • Try to reduce emotional and physical stress by spending time with your family or doing whatever makes you happy.
  • Drink more fluids and avoid alcoholic beverages to prevent dehydration.

Habit Forming

No

Therapeutic Class

ANTIRETROVIRAL AGENTS
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Alcohol

Caution

Consumption of alcohol may increase the risk of side effects. Hence, avoid consumption of alcohol while on treatment with VIRO 4 KIT TABLET.

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Pregnancy

Caution

VIRO 4 KIT TABLET has the potential to damage the foetus. Before using this medicine, tell your doctor if you are pregnant or intend to become pregnant. It will only be prescribed to you if it is clearly required. If you become pregnant while using VIRO 4 KIT TABLET, your doctor will do additional checks (including blood tests) to ensure your baby is developing normally.

bannner image

Breast Feeding

Caution

Small amounts of this medicine pass into breast milk. Hence, VIRO 4 KIT TABLET should be used with caution in nursing mothers. Your doctor may suggest you stop breastfeeding while on treatment with this medicine.

bannner image

Driving

Caution

VIRO 4 KIT TABLET may cause dizziness, so do not drive or operate heavy machinery if you feel dizzy.

bannner image

Liver

Caution

VIRO 4 KIT TABLET should be used with caution in patients with liver diseases. Your doctor may adjust the dose of this medicine or prescribe a suitable alternative based on your condition.

bannner image

Kidney

Caution

VIRO 4 KIT TABLET should be used with caution in patients with kidney diseases. Your doctor may adjust the dose of this medicine or prescribe a suitable alternative based on your condition.

bannner image

Children

Unsafe

VIRO 4 KIT TABLET is not recommended for children as safety and efficacy are not established.

Have a query?

FAQs

VIRO 4 KIT TABLET is used to treat HIV infection.

VIRO 4 KIT TABLET is a combination of four drugs: Lamivudine, Atazanavir, Ritonavir and Tenofovir disoproxil. Lamivudine is a nucleoside reverse transcriptase inhibitor, and Tenofovir disoproxil is a nucleotide reverse transcriptase inhibitor. These two drugs work by interfering with the working of nucleotide and nucleoside reverse transcriptase enzymes necessary for the virus's reproduction. Atazanavir and Ritonavir belong to the class of protease inhibitors. They work by inhibiting the protease enzyme production, which HIV-infected cells require to make new viruses. This effect helps to inhibit viral replication.

Do not stop taking VIRO 4 KIT TABLET without consulting your doctor, as it may reduce the effectiveness of anti-HIV therapy. Continue taking VIRO 4 KIT TABLET as long your doctor has prescribed it. Do not be reluctant to speak with your doctor if you experience any difficulty while taking VIRO 4 KIT TABLET.

VIRO 4 KIT TABLET does not cure HIV infection. You may still develop other illnesses and infections associated with HIV infection. Take necessary precautions, as you can pass on HIV to others.

Country of origin

India

Manufacturer/Marketer address

255/2, Hinjawadi, Pune - 411057, India
Other Info - VIR0056

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Author Details

Dr Aneela SiddabathuniDoctor badge

Reviewed By

Dr Aneela Siddabathuni

MPharma., PhD

Last Updated

Jul 18, 2025 | 7:03 AM IST

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Reference

  1. https://www.mrmed.in/medicines/viro-4-kit-tablet
  2. https://www.indiamart.com/proddetail/viro-4-kit-tenofovir-disoproxil-fumarate-300mg-lamivudine-300mg-atazanavir-300mg-ritonavir-100mg-20575003591.html
  3. https://www.accessdata.fda.gov/drugsatfda_docs/pepfar/206451PI.pdf

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