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Efgartigimod Alfa

Generic name: efgartigimod alfa [EF-gar-TIG-i-mod-AL-fa]

Brand name: Vyvgart
Form for dosage: intravenous solution (400 mg/20 mL)
Drug class: immune globulins

What is Efgartigimod Alfa?

Efgartigimod alfa is a medication used by adult patients to manage myasthenia gravis.Efgartigimod alfa can be used to treat other conditions not covered in this medication guide.

Side effects of Efgartigimod Alfa

See a doctor immediately. If you are experiencing symptoms that indicate an allergic reaction, such as symptoms of hives, difficulty breathing, or swelling of your lips, face, and throat,

Efgartigimod alfa may cause serious side effects. Consult your doctor immediately in the event that you experience:

  • Indications of symptoms of infection include fever, chills, sore throat, or body aches, abnormal tiredness, or loss of appetite. bleeding or bruising.

Common adverse effects of efgartigimod could include:

  • Symptoms of the cold, like nasal stuffiness, sneezing, and sore throats;
  • Headache
  • Burning and pain when you pee; painful urine

This isn't an exhaustive list of possible side effects, and other effects may also be present. Consult your physician to seek medical advice on the effects. Report any adverse reactions directly to the FDA by calling their hotline, 1-800-FDA-1088.

Similar or related drugs

pyridostigmine, Mestinon, Neostigmine, Soliris, Vyvgart, and eculizumab


Consult your physician immediately in case you are suffering from chills, fever, sore throats, body aches, unusual fatigue, or loss of appetite. bleeding or bruising, difficulty breathing, hives, and swelling of your lips, face, and tongue.

Before you take this drug

Speak to your doctor if you are suffering from an infection or have suffered from any infection in the last few days.Inform your physician if you are pregnant or planning to become pregnant, plan to breastfeed, or are planning to.

How to take Efgartigimod Alfa?

Follow the directions on the prescription label and review all medication guides and instructions sheets. Make sure you use the medication exactly as prescribed.Efgartigimod Alfa injections are made into veins by a medical professional. The efgartigimod Alfa injection is given for one hour every week for four weeks.Doses are determined by weight.  Your dose may change if you gain or lose weight.You will be monitored for a brief period of time to ensure that you don't have the reaction of an allergy.Check that you are up to date on all vaccinations before you begin using efgartigimod.

Details on dosage

Usual Adult Dose for Myasthenia Gravis:

Every Thursday for four weeks, 10 mg/kg IV infusion will be administered every week.If you weigh more than 120 kg, take 1200 mg IV once every week for four weeks.
The next treatment cycle should be based on a clinical assessment.
The safety of starting the cycle earlier than 50 days after the date of the first cycle has not been proven.
Assess the necessity of immunizations that are age-appropriate prior to the initiation of therapy.
Use: To treat generalized myasthenia greis in patients with anti- or acetylcholine anti-receptor antibody negatives.

What happens if I miss the dose?

Consult your physician for the appropriate treatment in the event that you don't make an appointment to receive your efgartigimod injection.

What happens if I overdose?

Get medical attention in an emergency or contact the poison help line at 1-800-222-1222.

What should be avoided?

Do not receive a "live" vaccine while you are receiving treatment with efgartigimod.

Interaction with other drugs

Other medications may interact with the effects of efgartigimod, including prescription and over-the-counter medications, vitamins, and herbal products.Inform your physician of any additional medications you are taking.