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Inebilizumab Side Effects

Medically reviewed by Last updated on July 27, 2020.

For the Consumer

Applies to inebilizumab: intravenous solution


Follow all directions on your medicine label and package. Tell each of your healthcare providers about all your medical conditions, allergies, and all medicines you use.

Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Some side effects may occur during the injection. Tell your caregiver if you feel drowsy, nauseated, feverish, or have a headache, skin rash, muscle pain, or trouble breathing.

Inebilizumab may cause a serious brain infection that can lead to disability or death. Call your doctor right away if you have problems with speech, thought, vision, or muscle movement. These symptoms may start gradually and get worse quickly.

Call your doctor at once if you have:

  • fever, chills, body aches;

  • stuffy nose, cough, sore throat;

  • pain or burning when you urinate;

  • urinating more than usual; or

  • right-sided upper stomach pain, vomiting, loss of appetite, yellowing of your skin or eyes, and not feeling well.

Your doses may be delayed or permanently discontinued if you have certain side effects.

Common side effects may include:

  • painful urination; or

  • joint pain.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects.

For Healthcare Professionals

Applies to inebilizumab: intravenous solution


The most commonly reported adverse events include infusion reaction, nasopharyngitis, urinary tract infection, arthralgia, back pain, and headache.


Common (1% to 10%): Neutropenia

Frequency not reported: Lymphocytopenia[Ref]


Common (1% to 10%): Anti-drug antibodies[Ref]


Common (1% to 10%): Arthralgia , back pain[Ref]


Very common (10% or more): Urinary tract infection (20%)


Very common (10% or more): Nasopharyngitis (13%)

Common (1% to 10%): Upper respiratory tract infection, influenza[Ref]


Very common (10% or more): Infusion reaction (11.6%)[Ref]

Nervous system

Common (1% to 10%): Headache[Ref]


1. "Product Information. Uplizna (inebilizumab)." Viela Bio, Gaithersburg, MD.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Some side effects may not be reported. You may report them to the FDA.