Venofer and Formication - a phase IV clinical study of FDA data

Summary:

Formication is reported only by a few people who take Venofer.

The study analyzes which people take Venofer and have Formication. It is created by eHealthMe based on reports of 8,801 people who have side effects while taking Venofer from the FDA, and is updated regularly.

What is Venofer?

Venofer has active ingredients of iron sucrose. It is often used in anemia. eHealthMe is studying from 8,895 Venofer users. Check the latest studies of Venofer.

What is Formication?

Formication (a sensation that exactly resembles that of small insects crawling on (or under) the skin) is found to be associated with 567 drugs and 915 conditions by eHealthMe. Check the latest studies of Formication.

On Oct, 19, 2025

8,801 people reported to have side effects when taking Venofer.
Among them, 5 people (0.06%) have Formication.

Among these 5 people:

How long have people been on Venofer when they have Formication? *

What is the gender of people who have Formication when taking Venofer? *

female: 50 %
male: 50 %

What is the age of people who have Formication when taking Venofer? *

What are other drugs people take besides Venofer? *

Tylenol: 1 person, 20.00%
Renagel: 1 person, 20.00%
Maxalt: 1 person, 20.00%
Lidocaine Hydrochloride: 1 person, 20.00%
Fosrenol: 1 person, 20.00%
Atacand: 1 person, 20.00%
Aranesp: 1 person, 20.00%
Apixaban: 1 person, 20.00%
Allopurinol: 1 person, 20.00%

What are other side effects people have besides Formication? *

Feeling Hot: 2 people, 40.00%
Urticaria (rash of round, red welts on the skin that itch intensely): 1 person, 20.00%
Tremor (trembling or shaking movements in one or more parts of your body): 1 person, 20.00%
Pulse Abnormal: 1 person, 20.00%
Nausea (feeling of having an urge to vomit): 1 person, 20.00%
Malaise (a feeling of general discomfort or uneasiness): 1 person, 20.00%
Loss Of Consciousness: 1 person, 20.00%
Heart Palpitations (feelings or sensations that your heart is pounding or racing): 1 person, 20.00%
Headache (pain in head): 1 person, 20.00%
Dyspnea (difficult or laboured breathing): 1 person, 20.00%

What are the existing conditions these people have? *

Iron Deficiency Anaemia: 1 person, 20.00%

* Approximation only. Some reports may have incomplete information.

Do you take Venofer and have Formication?

- Check whether Formication is associated with a drug or a condition
- Predict drug outcomes for up to one year with AI
- Get an AI agent to monitor your drugs continuously

Related studies:

Effectiveness of, long term effects of, and alternative drugs to Venofer:

Venofer (8,895 reports)

Formication treatments and more:

Formication (8,246 reports)

Browse all side effects of Venofer:

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 z

Browse all the drugs that are associated with Formication:

Formication (567 drugs)

Browse all the conditions that are associated with Formication:

Formication (915 conditions)

Drugs similar to Venofer and Formication :

Iron dextran side effect: Formication

How the study uses the data?

The study uses data from the FDA. It is based on iron sucrose (the active ingredients of Venofer) and Venofer (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.

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.