Erelzi is a prescription medication approved by the U.S. Food and Drug Administration (FDA) to treat psoriatic arthritis and moderate to severe chronic plaque psoriasis in adults. Erelzi may be referred to by its drug name, etanercept-szzs.
Erelzi is a biologic. It is a fusion protein created by genetic engineering. Erelzi is believed to work by attaching to tumor necrosis factor alpha (TNF-α), a chemical messenger involved in autoimmune attacks. Erelzi binds to TNF-α and prevents it from signaling the immune system to attack the connective tissues.
Erelzi is a biosimilar of Enbrel. As defined by the FDA, a biosimilar is a biological product that is approved based on a showing that it is highly similar to an already-approved biological product.
How do I take it?
Erelzi is administered as a subcutaneous injection once a week.
Erelzi is available as a single-use, prefilled syringe or pen.
The FDA-approved label for Erelzi lists common side effects including infections and injection site reactions.
Rare but serious side effects listed for Erelzi can include severe infections, congestive heart failure, increased risk for certain types of cancer, lupus-like syndrome, hepatitis B reactivations, severe allergic reactions, blood cell disorders such as anemia, and the development of demyelinating conditions such as multiple sclerosis.
For more details about this treatment, visit:
Erelzi — Sandoz
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