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Viro 4 Kit

Written By Dr. Subita Alagh, BDS
Reviewed By Dr. Rajeev Sharma, MBA, MBBS
Last updated on 25 Nov 2025 | 03:07 PM (IST)
Viro 4 Kit is a combination of antiretrovirals medicines. It is prescribed to treat HIV (human immunodeficiency virus) infection. It boosts up the immunity to fight against HIV to manage or treat AIDS (acquired immunodeficiency syndrome).
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General Information

Contains

Tenofovir disoproxil fumarate (300mg)+ Lamivudine (300mg)+ Atazanavir (300mg)+ Ritonavir (100mg)

Marketer

Emcure Pharmaceuticals Ltd

Storage

Store below 30°C
The content is shown in English
Viro 4 Kit image
Viro 4 Kit image

Product introduction

Viro 4 Kit restricts the growth of HIV in the body and reduces the risk of getting HIV-related complications to improve the lifespan of an individual. The medicine should be taken with food. Taking these medicines regularly at the same time increases their effectiveness. A dose of this medicine should not be missed as it can affect your recovery. It is important to complete the full course of the treatment until your doctor advises you to stop it. Sudden discontinuation of the treatment may affect the potency of the medicine.

Some common side effects of this medicine are fever, tiredness, stomach pain, vomiting, nausea, diarrhea, headache, depression, insomnia, taste change, tingling sensation in hands and feet, rashes, etc. These side effects are generally temporary, but if they persist or become serious inform your doctor. This medicine can also make you feel dizzy or drowsy, so it is advised to avoid driving.

Before starting with the treatment, you should consult your doctor if you are pregnant or breastfeeding, or have any health condition. Your doctor may suggest regular laboratory tests to check your blood counts and other bodily functions. If you are HIV positive, you should not breastfeed or share personal belongings like razors or toothbrushes. Consult your doctor to know about safe sex methods to prevent transmission of HIV during intercourse.

Uses of Viro 4 Kit

Benefits of Viro 4 Kit

Treatment of HIV infection
Viro 4 Kit controls HIV infection by preventing the virus from multiplying in the body. It also helps your immnune system to work better and may decrease your chance of developing HIV-related illnesses such as AIDS. This ensures that you live a long and healthy life. Avoid skipping doses and follow your doctor’s instructions carefully to get maximum benefit. Taking Viro 4 Kit along with practicing safer sex and making other lifestyle changes may decrease the risk of transmitting the HIV virus to other people.

Side effects of Viro 4 Kit

Most side effects do not require any medical attention and disappear as your body adjusts to the medicine. Consult your doctor if they persist or if you’re worried about them
Common side effects of Viro 4
  • Fever
  • Tiredness
  • Headache
  • Dizziness
  • Depression
  • Insomnia (difficulty in sleeping)
  • Taste change
  • Nausea
  • Vomiting
  • Diarrhea
  • Stomach pain
  • Increased liver enzymes
  • Increased blood lipid level
  • Peripheral neuropathy (tingling and numbness of feet and hand)
  • Skin rash

How to use Viro 4 Kit

Take this medicine in the dose and duration as advised by your doctor. Check the label before use. Viro 4 Kit should be taken with or after food.

How Viro 4 Kit works

Viro 4 Kit is a combination of four antiviral medicines: Tenofovir disoproxil fumarate, Lamivudine, Atazanavir and Ritonavir. Tenofovir disoproxil fumarate and Lamivudine work by preventing HIV (virus) from multiplying, thereby reducing the amount of virus in your body. They also increase the CD4 cell (white blood cells that protect against infection) count in your blood. Atazanavir and Ritonavir work by interfering with an enzyme (protease), which is required by HIV-infected cells to make new viruses.

Quick tips

  • Viro 4 Kit must be taken with food at the same time every day.
  • Do not skip any doses and finish the full course of treatment even if you feel better. Stopping it early may make the infection come back and harder to treat.
  • It is advisable to drink plenty of fluids and a healthy diet while taking the medicine.
  • It may cause dizziness. Do not drive or do anything that requires mental focus until you know how medicine affects you.
  • Avoid consuming alcohol while taking medication as it may cause increased side effects.

Safety advice

Alcohol

Alcohol

CAUTION
Alcohol should be used with caution while taking Viro 4 Kit.
Pregnancy

Pregnancy

CONSULT YOUR DOCTOR
The safety of Viro 4 Kit during pregnancy has not been established. There are no adequate and well-controlled studies in pregnant women, and animal data on reproductive toxicity are insufficient. Your doctor will weigh the benefits and any potential risks before prescribing.
Breast feeding

Breast feeding

SAFE IF PRESCRIBED
Viro 4 Kit may be safe to use during breastfeeding. Animal studies have shown low or no adverse effects to the developing baby; however, there are limited human studies.
Driving

Driving

UNSAFE
Viro 4 Kit may decrease alertness, affect your vision, or make you feel sleepy and dizzy. Do not drive if these symptoms occur.
Kidney

Kidney

SAFE IF PRESCRIBED
Viro 4 Kit is probably safe to use in patients with kidney disease. Limited data suggest dose adjustment may not be needed.
Liver

Liver

SAFE IF PRESCRIBED
Viro 4 Kit is probably safe to use in patients with liver disease. Limited data suggest dose adjustment may not be needed.

Fact Box

Habit Forming

No

Therapeutic Class

ANTI INFECTIVES

Related lab tests

HIV 1 & 2, Ab Western Blot

HIV 1 And 2 Antibody - Chromatography

HIV 1 And 2 Antibody - ELISA

References

  1. Tenofovir disoproxil. Limassol, Cyprus: Remedica Ltd.; 2018. [Accessed 10 Apr. 2019] (online) Available from:
  2. Lamivudine. South Ruislip, Middlesex: Aurobindo Pharma - Milpharm Ltd.; 2012 [revised 24 Jun. 2018]. (online) Available from:
  3. Ritonavir. Maidenhead, Berkshire: AbbVie Ltd.; 1996 [revised 25 Oct. 2018]. [Accessed 10 Apr. 2019] (online) Available from:
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User feedback

HIV infection
100%
Excellent
56%
Poor
33%
Average
11%
Rash
33%
No Side Effect
33%
Vomiting
33%
With food
100%
Expensive
100%
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Disclaimer

Tata 1mg's sole intention is to ensure that its consumers get information that is expert-reviewed, accurate and trustworthy. However, the information contained herein should NOT be used as a substitute for the advice of a qualified physician. The information provided here is for informational purposes only. This may not cover everything about particular health conditions, lab tests, medicines, all possible side effects, drug interactions, warnings, alerts, etc. Please consult your doctor and discuss all your queries related to any disease or medicine. We intend to support, not replace, the doctor-patient relationship.

Marketer details

Name: Emcure Pharmaceuticals Ltd
Address: 255/2, Hinjawadi, Pune - 411057, India / Godown A, Gat No. 408 and 410, Vill: Urse, Tal: Maval, Pune-410 506, Maharashtra, India.

Vendor Details

Country of origin: India

Lab tests offered by us

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