Fish oil and Proctitis - a phase IV clinical study of FDA data

Summary:

Proctitis is reported as a side effect among people who take Fish oil (fish oil), especially for people who are female, 30-39 old, also take Vitamin D, and have Crohn's disease.

The phase IV clinical study analyzes which people have Proctitis when taking Fish oil. It is created by eHealthMe based on reports of 109,866 people who have side effects when taking Fish oil from the FDA, and is updated regularly.

What is Fish oil?

Fish oil has active ingredients of fish oil. It is often used in high blood cholesterol. eHealthMe is studying from 112,933 Fish oil users. Check the latest studies of Fish oil.

What is Proctitis?

Proctitis (inflammation of the rectum and anus) is found to be associated with 462 drugs and 618 conditions by eHealthMe. Check the latest studies of Proctitis.



On Aug, 07, 2026

109,866 people reported to have side effects when taking Fish oil.
Among them, 16 people (0.01%) have Proctitis.

Could Fish oil cause Proctitis?

Among these 16 people:

What is the gender of people who have Proctitis when taking Fish oil? *

  • female: 68.75 %
  • male: 31.25 %

What is the age of people who have Proctitis when taking Fish oil? *

  • 0-1: 0.0 %
  • 2-9: 7.69 %
  • 10-19: 0.0 %
  • 20-29: 0.0 %
  • 30-39: 38.46 %
  • 40-49: 0.0 %
  • 50-59: 23.08 %
  • 60+: 30.77 %

What are other drugs people take besides Fish oil? *

  1. Vitamin D: 5 people, 31.25%
  2. Vitamin C: 4 people, 25.00%
  3. Humira: 4 people, 25.00%
  4. Tylenol: 3 people, 18.75%
  5. Vitamin B12: 3 people, 18.75%
  6. Zyrtec: 2 people, 12.50%
  7. Melatonin: 2 people, 12.50%
  8. Lantus: 2 people, 12.50%
  9. Imodium: 2 people, 12.50%
  10. Diflucan: 2 people, 12.50%

What are other side effects people have besides Proctitis? *

  1. Crohn's Disease (a condition that causes inflammation of the gastrointestinal tract): 5 people, 31.25%
  2. Abdominal Distension: 3 people, 18.75%
  3. Malaise (a feeling of general discomfort or uneasiness): 3 people, 18.75%
  4. Injection Site Pain: 3 people, 18.75%
  5. Haematochezia (passage of stools containing blood): 3 people, 18.75%
  6. Depression: 3 people, 18.75%
  7. Thrombosis (formation of a blood clot inside a blood vessel): 3 people, 18.75%
  8. Diarrhea: 3 people, 18.75%
  9. Ulcerative Colitis (inflammatory bowel disease (ibd). it causes swelling, ulcerations, and loss of function of the large intestine): 3 people, 18.75%
  10. Abdominal Pain: 3 people, 18.75%

What are the existing conditions these people have? *

  1. Crohn's Disease (a condition that causes inflammation of the gastrointestinal tract): 5 people, 31.25%
  2. Ulcerative Colitis (inflammatory bowel disease (ibd). it causes swelling, ulcerations, and loss of function of the large intestine): 4 people, 25.00%
  3. Sarcoma (rare cancers that develop in the muscle, bone, nerves, cartilage, tendons, blood vessels and the fatty and fibrous tissues): 2 people, 12.50%
  4. Type 2 Diabetes: 2 people, 12.50%
  5. Hypothyroidism (abnormally low activity of the thyroid gland, resulting in retardation of growth and mental development): 1 person, 6.25%
  6. Anaemia (lack of blood): 1 person, 6.25%
  7. Anal Cancer: 1 person, 6.25%
  8. Depression: 1 person, 6.25%
  9. High Blood Pressure: 1 person, 6.25%
  10. Hypersensitivity: 1 person, 6.25%

* Approximation only. Some reports may have incomplete information.

Do you take Fish oil and have Proctitis?

- Check whether Proctitis 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 Fish oil:

Proctitis treatments and more:

How severe was Proctitis and when was it recovered:

Expand to all the drugs that have ingredients of fish oil:

Sub-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 Fish oil:

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 Proctitis:

Browse all the conditions that are associated with Proctitis:


How the study uses the data?

The study uses data from the FDA. It is based on fish oil (the active ingredients of Fish oil) and Fish oil (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.



Recent studies on eHealthMe: