Folic acid and Injection site erythema - a phase IV clinical study of FDA data
Summary:
Injection site erythema is found among people who take Folic acid, especially for people who are female, 60+ old, have been taking the drug for 5 - 10 years.
The phase IV clinical study analyzes which people take Folic acid and have Injection site erythema. It is created by eHealthMe based on reports of 122,665 people who have side effects when taking Folic acid from the FDA, and is updated regularly. You can use the study as a second opinion to make health care decisions.
Phase IV trials are used to detect adverse drug outcomes and monitor drug effectiveness in the real world. With medical big data and AI algorithms, eHealthMe is running millions of phase IV trials and makes the results available to the public. Our original studies have been referenced on 600+ medical publications including The Lancet, Mayo Clinic Proceedings, and Nature.
122,665 people reported to have side effects when taking Folic acid.
Among them, 1,797 people (1.46%) have Injection site erythema.
What is Folic acid?
Folic acid has active ingredients of folic acid. It is often used in rheumatoid arthritis. eHealthMe is studying from 124,985 Folic acid users for its effectiveness, alternative drugs and more.
What is Injection site erythema?
Injection site erythema (redness at injection site) is found to be associated with 2,132 drugs and 1,365 conditions by eHealthMe.
Number of Folic acid and Injection site erythema reports submitted per year:

Time on Folic acid when people have Injection site erythema *:
Gender of people who have Injection site erythema when taking Folic acid*:
Age of people who have Injection site erythema when taking Folic acid *:
Common drugs people take besides Folic acid *:
Common side effects people have besides Injection site erythema *:
Common conditions people have *:
* Approximation only. Some reports may have incomplete information.
Do you take Folic acid and have Injection site erythema?
Check whether Injection site erythema is associated with a drug or a conditionHow to use the study?
You can discuss the study with your doctor, to ensure that all drug risks and benefits are fully discussed and understood.
Related studies
How severe was Injection site erythema and when was it recovered:
Expand to all the drugs that have ingredients of folic acid:
Alternative drugs to, pros and cons of Folic acid:
- Folic acid (124,985 reports)
Common Folic acid side effects:
- Fatigue (feeling of tiredness): 9,736 reports
- Pain: 9,552 reports
- Drug ineffective: 8,663 reports
- Joint pain: 7,943 reports
- Rashes (redness): 7,091 reports
- Breathing difficulty: 6,404 reports
- Fever: 6,222 reports
- Diarrhea: 6,202 reports
Browse all side effects of Folic acid:
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 zInjection site erythema treatments and more:
- Injection site erythema (105,844 reports)
COVID vaccines that are related to Injection site erythema:
- Injection site erythema in Moderna COVID Vaccine
- Injection site erythema in Pfizer BioNTech Covid Vaccine
- Injection site erythema in Johnson and Johnson Covid Vaccine
Common drugs associated with Injection site erythema:
- Enbrel: 42,803 reports
- Humira: 15,319 reports
- Methotrexate: 6,901 reports
- Forteo: 6,006 reports
- Rebif: 4,080 reports
- Prednisone: 3,517 reports
- Dupixent: 2,407 reports
- Metformin: 1,805 reports
- Folic acid: 1,797 reports
- Copaxone: 1,708 reports
All the drugs that are associated with Injection site erythema:
- Injection site erythema (2,132 drugs)
Common conditions associated with Injection site erythema:
- Rheumatoid arthritis: 31,162 reports
- Psoriasis: 9,364 reports
- Multiple sclerosis: 7,551 reports
- Osteoporosis: 4,868 reports
- Crohn's disease: 4,176 reports
All the conditions that are associated with Injection site erythema:
- Injection site erythema (1,365 conditions)
How the study uses the data?
The study uses data from the FDA. It is based on folic acid (the active ingredients of Folic acid) and Folic acid (the brand name). Other drugs that have the same active ingredients (e.g. generic drugs) are not considered. Dosage of drugs is not considered in the study.
Who is eHealthMe?
With medical big data and proven AI 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 600+ 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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