Efgartigimod alfa-fcab (Intravenous)
Medically reviewed by Drugs.com. Last updated on May 7, 2022.
Commonly used brand name(s)
In the U.S.
- Vyvgart
Available Dosage Forms:
- Solution
Therapeutic Class: Blood Modifier Agent
Uses for efgartigimod alfa-fcab
Efgartigimod alfa-fcab injection is used to treat a nerve and muscle problem called myasthenia gravis in patients who are anti-acetylcholine receptor (AChR) antibody positive.
Efgartigimod alfa-fcab is to be given only by or under the direct supervision of your doctor.
Before using efgartigimod alfa-fcab
In deciding to use a medicine, the risks of taking the medicine must be weighed against the good it will do. This is a decision you and your doctor will make. For efgartigimod alfa-fcab, the following should be considered:
Allergies
Tell your doctor if you have ever had any unusual or allergic reaction to efgartigimod alfa-fcab or any other medicines. Also tell your health care professional if you have any other types of allergies, such as to foods, dyes, preservatives, or animals. For non-prescription products, read the label or package ingredients carefully.
Pediatric
Appropriate studies have not been performed on the relationship of age to the effects of efgartigimod alfa-fcab injection in the pediatric population. Safety and efficacy have not been established.
Geriatric
Appropriate studies performed to date have not demonstrated geriatric-specific problems that would limit the usefulness of efgartigimod alfa-fcab injection in the elderly.
Breastfeeding
There are no adequate studies in women for determining infant risk when using this medication during breastfeeding. Weigh the potential benefits against the potential risks before taking this medication while breastfeeding.
Interactions with medicines
Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. Tell your healthcare professional if you are taking any other prescription or nonprescription (over-the-counter [OTC]) medicine.
Interactions with food/tobacco/alcohol
Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using alcohol or tobacco with certain medicines may also cause interactions to occur. Discuss with your healthcare professional the use of your medicine with food, alcohol, or tobacco.
Other medical problems
The presence of other medical problems may affect the use of efgartigimod alfa-fcab. Make sure you tell your doctor if you have any other medical problems, especially:
- Infection, history of—May decrease your body's ability to fight infection.
Proper use of efgartigimod alfa-fcab
A nurse or other trained health professional will give you efgartigimod alfa-fcab in a medical facility. It is given through a needle placed into one of your veins. The medicine must be given slowly, so the needle will have to remain in place for at least 1 hour. It is usually given once a week for 4 weeks.
Missed dose
Call your doctor or pharmacist for instructions.
