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


Rectal discharge is found among people who take Fish oil, especially for people who are female, 60+ old.

The phase IV clinical study analyzes which people take Fish oil and have Rectal discharge. It is created by eHealthMe based on reports of 97,245 people who have side effects when taking Fish oil 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.

On May, 26, 2023

97,245 people reported to have side effects when taking Fish oil.
Among them, 16 people (0.02%) have Rectal discharge.

What is Fish oil?

Fish oil has active ingredients of fish oil. It is often used in high blood cholesterol. eHealthMe is studying from 100,104 Fish oil users for its effectiveness, alternative drugs and more.

What is Rectal discharge?

Rectal discharge (discharge from rectum) is found to be associated with 644 drugs and 314 conditions by eHealthMe.

Number of Fish oil and Rectal discharge reports submitted per year:

Could Fish oil cause Rectal discharge?

Gender of people who have Rectal discharge when taking Fish oil *:

  • female: 53.33 %
  • male: 46.67 %

Age of people who have Rectal discharge when taking Fish oil *:

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 0.0 %
  • 20-29: 0.0 %
  • 30-39: 0.0 %
  • 40-49: 0.0 %
  • 50-59: 18.18 %
  • 60+: 81.82 %

Common drugs people take besides Fish oil *:

  1. Alli: 6 people, 37.50%
  2. Calcium: 4 people, 25.00%
  3. Prilosec: 3 people, 18.75%
  4. Multivitamin: 3 people, 18.75%
  5. Vitamin D3: 3 people, 18.75%
  6. Omega 3: 2 people, 12.50%
  7. Magnesium Carbonate: 2 people, 12.50%
  8. Zofran: 2 people, 12.50%
  9. Sutent: 2 people, 12.50%
  10. Salmon Oil: 2 people, 12.50%

Common side effects people have besides Rectal discharge *:

  1. Abdominal Discomfort: 5 people, 31.25%
  2. Constipation: 5 people, 31.25%
  3. Diarrhea: 4 people, 25.00%
  4. Nausea And Vomiting: 4 people, 25.00%
  5. Feeling Abnormal: 3 people, 18.75%
  6. Rectal Haemorrhage (bleeding from anus): 3 people, 18.75%
  7. Hair Loss: 3 people, 18.75%
  8. Flatulence (flatus expelled through the anus): 3 people, 18.75%
  9. Fatigue (feeling of tiredness): 3 people, 18.75%
  10. Weight Decreased: 3 people, 18.75%

Common conditions people have *:

  1. Weight Loss: 2 people, 12.50%
  2. Weight Decreased: 2 people, 12.50%
  3. Metastatic Renal Cell Carcinoma (spreadable kidney cell tumour): 2 people, 12.50%
  4. Colon Cancer: 2 people, 12.50%
  5. Ulcerative Colitis (inflammatory bowel disease (ibd). it causes swelling, ulcerations, and loss of function of the large intestine): 1 person, 6.25%
  6. High Blood Pressure: 1 person, 6.25%
  7. Depression: 1 person, 6.25%
  8. Crohn's Disease (condition that causes inflammation of the gastrointestinal tract): 1 person, 6.25%
  9. Basal Cell Carcinoma (a skin cancer, it rarely metastasizes or kills): 1 person, 6.25%

* Approximation only. Some reports may have incomplete information.

Do you take Fish oil and have Rectal discharge?

Check whether Rectal discharge is associated with a drug or a condition

How 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 Rectal discharge and when was it recovered:

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Alternative drugs to, pros and cons of Fish oil:

Common Fish oil side effects:

Browse all side effects of Fish oil:

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Rectal discharge treatments and more:

COVID vaccines that are related to Rectal discharge:

Common drugs associated with Rectal discharge:

All the drugs that are associated with Rectal discharge:

Common conditions associated with Rectal discharge:

All the conditions that are associated with Rectal discharge:

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.

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: Please DO NOT STOP MEDICATIONS without first consulting a physician since doing so could be hazardous to your health.

DISCLAIMER: All material available on 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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