IMAAVY dosing
IMAAVY is the first neonatal fragment crystallizable receptor (FcRn) blocker for gMG with a consistent dosing schedule that you can plan around.
How IMAAVY is taken
At your first infusion appointment, your healthcare provider will give you a starting dose of
Two weeks later you will receive your next dose of IMAAVY infusion lasting at least 15 minutes. Your following doses will be given every 2 weeks.
After each dose of IMAAVY, your healthcare provider will monitor you for 30 minutes to look for any signs or symptoms of an infusion-related or hypersensitivity reaction.*
Allergic reactions can happen during your IMAAVY infusion. Tell your healthcare provider right away if you get any of these symptoms during your IMAAVY infusion.
See full list of possible side effects here
*If you have a reaction during your IMAAVY infusion, your healthcare provider may decide to administer IMAAVY more slowly or stop your infusion. If you miss a scheduled IMAAVY infusion, you should receive your next dose as soon as possible.
Before receiving IMAAVY, tell your healthcare provider about all of your medical conditions, including if you:
- ever had an allergic reaction to IMAAVY. Ask your healthcare provider if you are not sure.
- have or have had any recent infections or have any symptoms of infection.
- have recently received or are scheduled to receive an immunization (vaccine). People who are being treated with IMAAVY should not receive live vaccines.
- are pregnant or plan to become pregnant. It is not known whether IMAAVY will harm your unborn baby.
- Pregnancy Safety Study. There is a pregnancy safety study for IMAAVY if IMAAVY is given during pregnancy or you become pregnant while receiving IMAAVY. Your healthcare provider should report IMAAVY exposure by contacting Janssen at 1-800-526-7736 or www.IMAAVY.com.
- IMAAVY can pass into your breast milk and it is not known whether IMAAVY will harm your baby. Talk to your healthcare provider about the best way to feed your baby if you receive IMAAVY.


- IMAAVY can pass into your breast milk and it is not known whether IMAAVY will harm your baby. Talk to your healthcare provider about the best way to feed your baby if you receive IMAAVY.
Tell your healthcare provider about all the medicines you take, including prescription and over-the-counter medicines, vitamins, and herbal supplements.
Common questions
about dosing
If you miss a scheduled IMAAVY infusion, you should receive your next dose as soon as possible.
Your healthcare provider will calculate the dose (mg) and total drug volume (mL) of IMAAVY based on your current weight.
About infusions
IMAAVY infusions can be given in a variety of settings.
You can be prescribed and receive
IMAAVY at your healthcare provider’s office.
An infusion service provider may be able to coordinate at-home administration of IMAAVY.
You can receive IMAAVY at an infusion center that carries it.
Find a centerYour healthcare provider can refer you to hospitals where you can receive IMAAVY as an outpatient service (not requiring hospital admission).
Tips for talking with your healthcare provider
Open conversations with your healthcare provider are important throughout your gMG journey.
Here are some tips to help you prepare for these conversations:
Consider tracking your symptoms with a mobile app, like the "MyMG" app from the Myasthenia Gravis Foundation of America (MGFA).
Track your symptoms with theMyMG app
Pay attention to how gMG symptoms affect your life so you can better explain it to your healthcare provider.
Provide specific examples of activities you struggled with or plans you had to change or cancel because of your gMG symptoms.


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