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Vyvgart Hytrulo

Vyvgart Hytrulo Side Effects

Kristianne Hannemann, PharmDDaisy Chau, PharmD
Reviewed by Kristianne Hannemann, PharmD, Daisy Chau, PharmD
Last reviewed on May 13, 2026

The following side effects may get better over time as your body gets used to the medication. Let your healthcare provider know immediately if you continue to experience these symptoms or if they worsen over time.

Common Side Effects

gMG

  • Injection site reactions (38%)
  • Headache (at least 10%)

CIDP

  • Injection site reactions (15%)

Vyvgart Hytrulo serious side effects

Contact your healthcare provider immediately if you experience any of the following.

  • Allergic reaction: swelling of the face or throat, trouble breathing, rash, fainting

Source: Prescribing information

The following Vyvgart Hytrulo side effects have also been reported

Side effects that you should report to your care team as soon as possible:

  • Allergic reactions or angioedema—skin rash, itching or hives, swelling of the face, eyes, lips, tongue, arms, or legs, trouble swallowing or breathing
  • Infection—fever, chills, cough, sore throat, wounds that don't heal, pain or trouble when passing urine, general feeling of discomfort or being unwell
  • Infusion reactions—chest pain, shortness of breath or trouble breathing, feeling faint or lightheaded

Side effects that usually do not require medical attention (report these to your care team if they continue or are bothersome):

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