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Inflectra vs. Renflexis: Comparison

Medically reviewed by Min Clinic Staff | Updated: January 2026

Are Renflexis and Inflectra the Same Thing?

Inflectra (infliximab-dyyb) for Injection and Renflexis (infliximab-abda) for Injection are tumor necrosis factor (TNF) blockers used to reduce signs and symptoms of Crohn's disease, pediatric Crohn's disease, ulcerative colitis, rheumatoid arthritis (in combination with methotrexate), ankylosing spondylitis, psoriatic arthritis, and plaque psoriasis.

Side effects of Inflectra and Renflexis that are similar include infections (upper respiratory infection, sinus infection, throat infection, bronchitis, urinary tract infection), cough, infusion-related reactions, headache, abdominal pain, indigestion, nausea, diarrhea, rash, itching, fatigue, fever or chills, oral thrush/yeast infection, joint pain, and cardiopulmonary reactions (chest pain, high or low blood pressure, shortness of breath).

Side effects of Inflectra that are different from Renflexis include runny or stuffy nose and pain.

Side effects of Renflexis that are different from Inflectra include hives.

Both Inflectra and Renflexis may interact with anakinra, abatacept, tocilizumab, other biological therapeutics used to treat the same conditions, warfarin, cyclosporine, theophylline, and "live" vaccines.

Renflexis may also interact with methotrexate and immunosuppressants.

 

What Are Possible Side Effects of Inflectra?

Common side effects of Inflectra include:

  • upper respiratory infections
  • sinus infections
  • runny or stuffy nose
  • sore throat
  • cough
  • bronchitis
  • infusion-related reactions
  • headache
  • abdominal pain
  • nausea
  • diarrhea
  • indigestion
  • rash
  • itching
  • fatigue
  • pain
  • fever
  • oral thrush
  • joint pain
  • urinary tract infection, and