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Abatacept is used in the treatment of ankylosing spondylitis, rheumatoid arthritis, psoriasis (silvery scaly skin rash), ulcerative colitis and crohn disease.

How it works

Abatacept belongs to a class of medications called immunomodulators. It works by blocking the activity of immune cells that cause pain and swelling/damage of joints.

Common side effects

Frequent urge to urinate, Abnormal urination, Back pain, Dizziness, Headache, Heartburn, Running nose, Sore throat, Nausea, Diarrhoea


Expert advice

  • Before taking abatacept, you may be tested for tuberculosis (infection of the lungs due to certain bacteria) or viral hepatitis (infection in the liver due to a virus). 
  • Avoid contact with people who have cold or any type of infections.
  • Seek immediate medical attention if you develop any kind of infection.
  • Do not take any vaccinations while using abatacept and within 3 months after stopping abatacept treatment.
  • Do not take abatacept along with other rheumatoid arthritis biologic therapy.
  • Do not drive or operate machinery as abatacept may causedizziness and visual disturbances.
  • Tell your doctor if you are or planning to become pregnant or are breastfeeding.

Frequently asked questions


Q.Is abatacept a biologic/ monoclonal antibody?
No. Abatacept is not a biologic/ monoclonal antibody. It belongs to class of drugs called immunomodulators.

Content on this page was last updated on 17 November, 2016, by Dr. Varun Gupta (MD Pharmacology)