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Barijak 4mg Tablet

Baricitinib (4mg)
Genuine
Authenticity Assured
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Barijak 4mg Tablet is used to treat moderate to severe rheumatoid arthritis. It helps decrease pain, tenderness, and swelling in the joints by reducing inflammation. It also helps slow the progression of bone and joint damage.

Written By Dr. Lipika Khurana, PGDHHM, BDS,
Reviewed By Dr. Rajeev Sharma, MBA, MBBS,
Last updated on 15 Jul 2026 | 01:04 AM (IST)
₹522 MRP ₹591.9412% off 
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Barijak 4mg Tablet
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General Information

The content is shown in English
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Barijak 4mg Tablet image
Barijak 4mg Tablet image
Barijak 4mg Tablet image

Product introduction

Barijak 4mg Tablet may be prescribed alone or in combination with another drug. It can be taken with or without food, but it is best to take it at the same time each day. Your dose will depend on your condition and what other medicines you are taking. You should use it as your doctor tells you to. Don’t stop taking this medicine unless your doctor tells you to because your condition could get worse.


The most common side effects of Barijak 4mg Tablet include throat and nose infections, nausea, and viral infection. You may also get cold sores, feel sick, or have symptoms of a cold, like a stuffy nose, sneezing, and a sore throat. If you have any worries about side effects, talk to your doctor.


Before starting Barijak 4mg Tablet, your doctor may advise blood tests, and you should not take Barijak 4mg Tablet if you have an active infection. Inform your doctor if you ever have tuberculosis, shingles, kidney or liver disease, hepatitis B or C, or blood clots in your legs or lungs.


Barijak 4mg Tablet can increase your risk of infections or worsen existing ones, so avoid contact with people who have contagious illnesses like chickenpox, measles, or flu. This medicine is not suitable for children under 18 years old. If you are pregnant or breastfeeding, use it only if your doctor believes the benefits outweigh the risks. Regular check-ups with your doctor may be necessary while on this treatment.

Uses of Barijak Tablet

Benefits of Barijak Tablet

Rheumatoid arthritis
Barijak 4mg Tablet works by blocking the action of some chemicals which cause inflammation. It can help reduce pain, stiffness, and swelling in your joints and slow down the progression of bone and joint damage. This will help you do normal daily activities more easily and thus improve your quality of life. This medicine should be taken at the same time each day to get maximum benefits. Keep taking it even if you feel well because it prevents future harm and improves your symptoms.

Side effects of Barijak Tablet

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 Barijak
  • Upper respiratory tract infection
  • Urinary tract infection
  • Bronchitis (inflammation of the airways)
  • Nausea
  • Herpes virus infection

How to use Barijak Tablet

Take this medicine in the dose and duration as advised by your doctor. Swallow it as a whole. Do not chew, crush or break it. Barijak 4mg Tablet may be taken with or without food.

How Barijak Tablet works

Barijak 4mg Tablet works by blocking certain enzymes called JAK1 and JAK2. These enzymes help send signals in the body that control immune responses, cell growth, and inflammation. By blocking them, Barijak 4mg Tablet helps reduce inflammation and overactive immune reactions.

Quick tips

  • Your doctor may order regular blood tests to monitor your liver function, kidney function, blood counts, and cholesterol level.
  • Before starting treatment with this medication, your doctor may order a TB (tuberculosis) skin test and a chest X-ray.
  • Inform your doctor if you are pregnant, planning to conceive, or breastfeeding.

Safety advice

Alcohol

Alcohol

CONSULT YOUR DOCTOR
It is not known whether it is safe to consume alcohol with Barijak 4mg Tablet. Please consult your doctor.
Pregnancy

Pregnancy

CONSULT YOUR DOCTOR
The safety of Barijak 4mg Tablet 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

CONSULT YOUR DOCTOR
Barijak 4mg Tablet may be unsafe to use during breastfeeding. Limited human data suggests that the drug may pass into the breastmilk and harm the baby. It should be used only if the expected benefit outweighs the potential risk. Please consult your doctor.
Driving

Driving

CONSULT YOUR DOCTOR
It is not known whether Barijak 4mg Tablet alters the ability to drive. Do not drive if you experience any symptoms that affect your ability to concentrate and react. Please consult your doctor.
Kidney

Kidney

CAUTION
Barijak 4mg Tablet should be used with caution in patients with kidney disease. Dose adjustment may be needed.
Barijak 4mg Tablet is not recommended for adult patients with patients with end stage renal disease (ESRD).
Liver

Liver

CAUTION
Barijak 4mg Tablet should be used with caution in patients with severe liver disease. Dose adjustment may be needed.
Barijak 4mg Tablet may not be recommended in patients with severe liver disease due to lack of information and research. Therefore, it is important to consult the doctor.

Interaction with drugs

Taking Barijak with any of the following medicines can modify the effect of either of them and cause some undesirable side effects
Severe

Azathioprine (Oral Route)

If concurrent use is essential, watch out for symptoms such as increased infection susceptibility, fever, fatigue, mouth sores or unusual hair loss/growth and consult your doctor if you experience them. They may adjust the doses as per the observations.
Severe

Ciclosporin (Oral Route)

If concurrent use is essential, watch out for symptoms such as increased infection susceptibility, fever, fatigue, mouth sores or unusual hair loss/growth and consult your doctor if you experience them. They may adjust the doses as per the observations.
Severe

Ciclosporin (Injection Route)

If concurrent use is essential, watch out for symptoms such as increased infection susceptibility, fever, fatigue, mouth sores or unusual hair loss/growth and consult your doctor if you experience them. They may adjust the doses as per the observations.
Severe

Tacrolimus (Oral Route)

If concurrent use is essential, watch out for symptoms such as increased infection susceptibility, fever, fatigue, mouth sores or unusual hair loss/growth and consult your doctor if you experience them. They may adjust the doses as per the observations.
Severe

Probenecid (Oral Route)

Your doctor may monitor your treatment and adjust the doses as per the observations. Probenecid may raise blood levels of Baricitinib.

Frequently asked questions

Inform your doctor if you have liver problems before starting Barijak 4mg Tablet. This is done because, in some cases, Barijak 4mg Tablet may cause an increase in liver enzymes. Therefore, your liver function needs to be investigated before starting Barijak 4mg Tablet. Although Barijak 4mg Tablet can be given to patients with mild to moderate liver function impairment, it should not be prescribed to patients with severe liver impairment.
You may need to get your blood tests done before you start Barijak 4mg Tablet or while taking it. Blood tests are done to check if you have a low red blood cell count (anemia), low white blood cell count (neutropenia or lymphopenia), high blood fat (cholesterol), or high levels of liver enzymes. It also helps to ensure that treatment with Barijak 4mg Tablet is not causing problems. In addition to this, your doctor may advise you to get tested for tuberculosis before starting Barijak 4mg Tablet, as using this medicine may make an existing infection worse.

Fact Box

Chemical Class

Pyrrolo [2,3- d] pyrimidines

Habit Forming

No

Therapeutic Class

PAIN ANALGESICS

Action Class

Janus kinase inhibitors
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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: Cipla Ltd
Address: Cipla House, Peninsula Business Park, Ganpatrao Kadam Marg, Lower Parel, Mumbai-400013

Vendor Details

Country of origin: India
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