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Fabiflu 400mg Tablet

Prescription Required

Salt Composition : Favipiravir


Origin of Medicine : India

MRP: 1147
Price :985
You Save :162 (14%)

17 Tablet(s) In A Strip

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Introduction to Fabiflu 400mg Tablet

Fabiflu 400mg tablet is an Antiviral drug with an active ingredient called Favipiravir. It belongs to the medication group known as Pyrazinecarboxamide derivative. It is used to treat influenza and other viral infections, including Covid-19. It is not suggested for those younger than 18 years. 

Do not consume this medicine if allergic to Favipiravir and its other ingredients. Inform your physician if you have liver disease or kidney condition. Inform your physician if you have abnormalities in uric acid metabolism (gout, hyperuricemia, etc). Inform your physician if you are pregnant or planning to get pregnant or breastfeeding. In men, this medicine can pass into semen, so use effective contraception during and after seven days of the last dose. Discuss with your doctor for more fertility concerns. Before starting with the Fabiflu 400mg tablet, notify your doctor if you consume any other medicine.

Uses of Fabiflu 400mg Tablet

  • Viral infections such as influenza.
  • Mild to moderate COVID-19 disease

Therapeutic Effects of Fabiflu 400mg Tablet

Fabiflu 400mg tablet metabolizes to ribosyl triphosphate and converts into its active form called Fabiflu 400mg-RTP. It works by restricting the activity of the RNA polymerase enzyme that is necessary for viral replication. It works by stopping the replication of the infection-causing virus in the body.

Interaction of Fabiflu 400mg Tablet with other drugs

Inform your doctor about any prescribed medications, over-the-counter medicines, nutritional or vitamin supplements, and herbal products you take or have taken before the treatment. Certain medications may interact with Fabiflu 400mg and can cause undesirable side effects.

More Information about Fabiflu 400mg Tablet

  • Keep out of sight and reach of pets and children
  • Store protected from light at a temperature not exceeding 30°C.

How to consume Fabiflu 400mg Tablet

Take the Fabiflu 400mg tablet as advised by your physician. Do not crush, chew, or open the medicine. Your physician will decide the correct dosage and duration based on age, body weight, and disease condition. Only stop taking the tablet if your doctor advises you to stop.

Safety Advices for Fabiflu 400mg Tablet

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Fabiflu 400mg tablet is unsafe to use during pregnancy as it may harm the unborn baby. Report to your doctor if you are pregnant or think you may be pregnant, or planning for the pregnancy before starting the treatment.

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Breast Feeding


Taking a Fabiflu 400mg tablet while breastfeeding may be unsafe because it may affect the child. Do not breastfeed while taking this medicine. Therefore, talk with your doctor to get more information.

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It is unknown whether Fabiflu 400mg tablet is safe to administer in patients with lung problems. Inform your physician if you have any lung disease before starting the treatment. Contact your doctor if you experience any lung-related symptoms.

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Inform your physician if you have liver problems because the Fabiflu 400mg tablet should be used cautiously with a liver condition.

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It is unknown whether consuming alcohol while taking a Fabiflu 400mg tablet is safe. Please speak with your physician.

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While taking the Fabiflu 400mg tablet, driving or using machines may be unsafe. Consult your physician immediately if you experience any side effects.

Side Effects of Fabiflu 400mg Tablet

Side Effects are unwanted symptoms caused by medicines. Although all medicines cause side effects, not everyone gets them.


  • Allergic reactions
  • Increased blood uric acid levels
  • Abnormal behavior
  • Jaundice
  • Shock
  • Pneumonia
  • Stevens-Johnson syndrome
  • Thrombocytopaenia
  • Liver problems
  • Kidney injury
  • Psychiatric symptoms (disturbance of consciousness, delirium, hallucinations, delusions, convulsions, etc.)


  • Diarrhea
  • Increased uric acid level in blood
  • Fatigue
  • Dizziness

Word of Advice

Discuss effective contraception methods with your doctor, along with fertility concerns. Do not stop the medicine until your doctor advises. Before consuming the Fabiflu 400mg tablet, notify your doctor if you have a conditions with your kidney. Notify your doctor if you experience any serious side effects. You are doctor may change your dose or stop the treatment. This medicine is not suggested for children or adolescents. 


Q 1. Why is it mandatory to use effective contraception during the treatment of Fabiflu 400mg tablet?

To avoid unwanted pregnancy, it is advised to use effective contraception while taking Fabiflu 400mg tablet. In men, there is the possibility of the drugs getting absorbed in the semen. So it is better to discuss effective contraception with your doctor and use it accordingly.

Q 2. How can I manage diarrhea while taking a Fabiflu 400mg tablet?

If you experience diarrhea while taking a Fabiflu 400mg tablet, it is important to stay hydrated by drinking plenty of fluids. Your doctor may also recommend over-the-counter or prescription medications to help manage your diarrhea. If your diarrhea is severe or persistent, you should contact your doctor.

Q 3. Is Fabiflu 400mg tablet an antiviral drug?

Yes, Fabiflu 400mg tablet is an antiviral drug belonging to the Pyrazinecarboxamide derivatives group.

Q 4. What are the common side effects of Fabiflu 400mg tablet?

Fabiflu 400mg tablet's most common side effects are diarrhea, increased uric acid level, fatigue, and dizziness.

Q 5. Who should not take the Fabiflu 400mg tablet?

Fabiflu 400mg tablet is not recommended for pregnant or breastfeeding women or children. Also, it should be used cautiously in kidney or liver disease patients and if you have a past with gout condition.

Fact Box of Fabiflu 400mg Tablet

Molecule Name: Favipiravir 

Therapeutic class: Anti-viral

Pharmacological class: Pyrazinecarboxamide derivatives


1. Viral infections such as influenza.

2. Mild to moderate COVID-19 disease


  1. 2. U Agrawal et al., Favipiravir: A new and emerging antiviral option in Covid 19, [Revised on 2020] [Accessed on 09th Apr 2023],
  2. Ghasemnejad-Berenji M, Pashapour S. Favipiravir and COVID-19: A. Drug Res, 2021, 71: 166–170 [Accessed on 09th Apr 2023],
  3. Y Furuta, Favipiravir (T-705), a broad-spectrum inhibitor of viral RNA Polymerase, Proc Jpn Acad Ser B Phys Biol Sci, 2017, 93(7):449-463 [Accessed on 09th Apr 2023],
  4. Ciplamed, [Revised on 27th Nov 2020] [Accessed on 09th Apr 2023],


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