Vyvgart and Gammagard drug interactions - a phase IV clinical study of FDA data
Summary:
Drug interactions are reported among people who take Vyvgart (efgartigimod alfa) and Gammagard (immune globulin). Common drug interactions include fatigue among females.
The phase IV clinical study analyzes what interactions people have when they take Vyvgart and Gammagard. It is created by eHealthMe based on reports of 17 people who take the same drugs from the FDA, and is updated regularly.
What is Vyvgart?
Vyvgart has active ingredients of efgartigimod alfa. eHealthMe is studying from 3,254 Vyvgart users. Check the latest studies of Vyvgart.
What is Gammagard?
Gammagard has active ingredients of immune globulin. eHealthMe is studying from 8,948 Gammagard users. Check the latest studies of Gammagard.
17 people who take Vyvgart and Gammagard together, and have interactions are studied.

What are the common drug interactions of Vyvgart and Gammagard, by gender? *:
female:
- Fatigue (feeling of tiredness)
- Dyspnoea (difficult or laboured respiration)
- Back pain
- Contusion (a type of hematoma of tissue in which capillaries)
- Diarrhoea
- Hypoacusis (loss of hearing)
- Hypotension (abnormally low blood pressure)
- Muscular weakness (muscle weakness)
- Nervousness
- Neuropathy peripheral (surface nerve damage)
male:
n/a
What are the common drug interactions of Vyvgart and Gammagard, by age (0-1 to 60+)? *:
0-1:
n/a
2-9:
n/a
10-19:
n/a
20-29:
n/a
30-39:
n/a
40-49:
n/a
50-59:
- Chest discomfort
- Disease progression
- Dyspnoea (difficult or laboured respiration)
- Fall
- Foot fracture
- Headache (pain in head)
- Liver disorder (liver diseases)
- Lower limb fracture
- Malaise (a feeling of general discomfort or uneasiness)
- Myasthenia gravis crisis (a paralysis of the respiratory muscles occurs)
60+:
- Fatigue (feeling of tiredness)
- Weight increased
- Headache (pain in head)
- Hospitalisation
- Hypoacusis (loss of hearing)
- Hypotension (abnormally low blood pressure)
- Muscular weakness (muscle weakness)
- Nervousness
- Neuropathy peripheral (surface nerve damage)
- Oedema (fluid collection in tissue)
What are the existing conditions these people have? *
- Myasthenia Gravis (a chronic condition that causes muscles to tire and weaken easily): 17 people, 100.00%
- Nausea (feeling of having an urge to vomit): 1 person, 5.88%
* Approximation only. Some reports may have incomplete information.
Do you take Vyvgart and Gammagard?
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Related studies:
Effectiveness of, side effects of, and alternative drugs to the 2 drugs:
Browse all drug interactions of Vyvgart and Gammagard:
a b c d e f g h i j k l m n o p q r s t u v w x y zSub-studies by gender and age:
Female: 0-1 2-9 10-19 20-29 30-39 40-49 50-59 60+
Male: 0-1 2-9 10-19 20-29 30-39 40-49 50-59 60+
Browse all side effects of Vyvgart:
a b c d e f g h i j k l m n o p q r s t u v w x y zBrowse all side effects of Gammagard:
a b c d e f g h i j k l m n o p q r s t u v w x y zBrowse all interactions between Vyvgart and drugs from A to Z:
a b c d e f g h i j k l m n o p q r s t u v w x y zBrowse all interactions between Gammagard and drugs from A to Z:
a b c d e f g h i j k l m n o p q r s t u v w x y zHow the study uses the data?
The study uses data from the FDA. It is based on efgartigimod alfa and immune globulin (the active ingredients of Vyvgart and Gammagard, respectively), and Vyvgart and Gammagard (the brand names). Other drugs that have the same active ingredients (e.g. generic drugs) are not considered. Dosage of drugs is not considered in the study.
How to use the study?
DO NOT STOP MEDICATIONS without first consulting your doctor. If there are any serious or long term adverse effects discovered in the study, discuss the study with your doctor to ensure that proper medication management will be in place if applicable.
Who is eHealthMe?
With medical big data and proven AI/ML algorithms, eHealthMe provides a platform for everyone to run phase IV clinical trials. We study millions of patients and 5,000 more each day. Results of our real-world drug study have been referenced on 800+ peer-reviewed medical publications, including The Lancet, Mayo Clinic Proceedings, and Nature. Our analysis results are available to researchers, health care professionals, patients (testimonials), and software developers (open API).
WARNING, DISCLAIMER, USE FOR PUBLICATION
WARNING: Please DO NOT STOP MEDICATIONS without first consulting a physician since doing so could be hazardous to your health.
DISCLAIMER: All material available on eHealthMe.com is for informational purposes only, and is not a substitute for medical advice, diagnosis, or treatment provided by a qualified healthcare provider. All information is observation-only. Our phase IV clinical studies alone cannot establish cause-effect relationship. Different individuals may respond to medication in different ways. Every effort has been made to ensure that all information is accurate, up-to-date, and complete, but no guarantee is made to that effect. The use of the eHealthMe site and its content is at your own risk.
If you use this eHealthMe study on publication, please acknowledge it with a citation: study title, URL, accessed date.
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