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Infliximab reduces the effects of a substance in the body that can cause inflammation. Infliximab is used to treat rheumatoid arthritis, psoriatic arthritis, ulcerative colitis, Crohn’s disease, and ankylosing spondylitis. Infliximab is also used to treat severe or disabling plaque psoriasis. Infliximab is often used when other medicines have not been effective.
Using infliximab may increase the risk of developing certain types of cancer, including a rare fast-growing type of lymphoma that can be fatal. Infliximab can lower blood cells that help the body fight infections. Serious and sometimes fatal infections may occur. However, people with autoimmune disorders (including rheumatoid arthritis, Crohn’s disease, ankylosing spondylitis, and psoriasis) may have a higher risk of lymphoma.
Using infliximab may increase the risk of developing other types of cancer, including skin cancer. Before you start treatment with infliximab, your doctor may perform tests to make sure you do not have tuberculosis (TB) or other infections. Infliximab is injected into a vein through an IV. A healthcare provider will give you this injection. You may be watched closely after receiving infliximab, to make sure the medicine has not caused any serious side effects.
Infliximab can lower blood cells that help your body fight infections and help your blood to clot. Do not receive a “live” vaccine while using infliximab, or you could develop a serious infection. Live vaccines include measles, mumps, rubella (MMR), polio, rotavirus, typhoid, yellow fever, varicella (chickenpox), zoster (shingles), and nasal flu (influenza) vaccine.
Some side effects may occur during the injection. Tell your caregiver right away if you feel dizzy, nauseated, light-headed, itchy or tingly, swollen, short of breath, or have a headache, fever, chills, muscle or joint pain, pain or tightness in your throat, chest pain, or trouble swallowing during the injection. Infusion reactions may also occur within 1 or 2 hours after injection.
Get emergency medical help if you have signs of an allergic reaction: hives; chest pain, difficult breathing; fever, chills, severe dizziness; swelling of your face, lips, tongue, or throat. Serious and sometimes fatal infections may occur during treatment with infliximab. Call your doctor right away if you have signs of infection such as: fever, extreme tiredness, flu symptoms, cough, or skin symptoms (pain, warmth, or redness).
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