Grapefruit and Rashes - a phase IV clinical study of FDA data

Summary:

Rashes is reported as a side effect among people who take Grapefruit (grapefruit), especially for people who are female, 60+ old, have been taking the drug for < 1 month also take Vitamin C, and have Acne.

The phase IV clinical study analyzes which people have Rashes when taking Grapefruit. It is created by eHealthMe based on reports of 263 people who have side effects when taking Grapefruit from the FDA, and is updated regularly.

What is Grapefruit?

Grapefruit has active ingredients of grapefruit. eHealthMe is studying from 330 Grapefruit users. Check the latest studies of Grapefruit.

What is Rashes?

Rashes (redness) is found to be associated with 3,711 drugs and 6,212 conditions by eHealthMe. Check the latest studies of Rashes.

On Jul, 03, 2026

263 people reported to have side effects when taking Grapefruit.
Among them, 16 people (6.08%) have Rashes.

Among these 16 people:

How long have people been on Grapefruit when they have Rashes? *

What is the gender of people who have Rashes when taking Grapefruit? *

female: 85.71 %
male: 14.29 %

What is the age of people who have Rashes when taking Grapefruit? *

What are other drugs people take besides Grapefruit? *

What are other side effects people have besides Rashes? *

Dry Skin: 4 people, 25.00%
Itching: 4 people, 25.00%
Discomfort: 3 people, 18.75%
Weakness: 3 people, 18.75%
Indigestion: 2 people, 12.50%
Fatigue (feeling of tiredness): 2 people, 12.50%
Neck Pain: 2 people, 12.50%
Lip Swelling: 2 people, 12.50%
Overdose: 2 people, 12.50%
Burning Sensation: 2 people, 12.50%

What are the existing conditions these people have? *

Acne (skin problems that cause pimples): 4 people, 25.00%
Primary Immunodeficiency Syndrome: 2 people, 12.50%
Swelling Face: 1 person, 6.25%
Skin Exfoliation (removal of the oldest dead skin cells): 1 person, 6.25%
Renal Cell Carcinoma (a kidney cancer): 1 person, 6.25%
Pancreatic Carcinoma (pancreatic cancer): 1 person, 6.25%
Metastases To Lung (cancer spreads to lung): 1 person, 6.25%
Lung Neoplasm Malignant (cancer tumour of lung): 1 person, 6.25%
Joint Pain: 1 person, 6.25%
Hypertonic Bladder (bladder-storage function that causes a sudden urge to urinate): 1 person, 6.25%

* Approximation only. Some reports may have incomplete information.

Do you take Grapefruit and have Rashes?

- Check whether Rashes 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 Grapefruit:

Grapefruit (330 reports)

Rashes treatments and more:

Rashes (702,909 reports)

Browse all side effects of Grapefruit:

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 Rashes:

Rashes (3,711 drugs)

Browse all the conditions that are associated with Rashes:

Rashes (6,212 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on grapefruit (the active ingredients of Grapefruit) and Grapefruit (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.