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

Summary:

Scratch is reported as a side effect among people who take Fish oil (fish oil), especially for people who are female, 60+ old, also take Vitamin D3, and have Primary myelofibrosis.

The phase IV clinical study analyzes which people have Scratch 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 Scratch?

Scratch is found to be associated with 691 drugs and 746 conditions by eHealthMe. Check the latest studies of Scratch.

On Jul, 21, 2026

109,866 people reported to have side effects when taking Fish oil.
Among them, 93 people (0.08%) have Scratch.

Could Fish oil cause Scratch?

Among these 93 people:

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

  • female: 62.2 %
  • male: 37.8 %

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

  • 0-1: 0.0 %
  • 2-9: 1.64 %
  • 10-19: 0.0 %
  • 20-29: 3.28 %
  • 30-39: 6.56 %
  • 40-49: 4.92 %
  • 50-59: 21.31 %
  • 60+: 62.3 %

What are other drugs people take besides Fish oil? *

  1. Vitamin D3: 21 people, 22.58%
  2. Aspirin: 15 people, 16.13%
  3. Calcium: 15 people, 16.13%
  4. Vitamin B12: 14 people, 15.05%
  5. Vitamin D: 13 people, 13.98%
  6. Vitamin C: 11 people, 11.83%
  7. Jakafi: 10 people, 10.75%
  8. Eliquis: 10 people, 10.75%
  9. Metformin: 9 people, 9.68%
  10. Biotin: 8 people, 8.60%

What are other side effects people have besides Scratch? *

  1. Itching: 30 people, 32.26%
  2. Head Injury: 29 people, 31.18%
  3. Rashes (redness): 23 people, 24.73%
  4. Fatigue (feeling of tiredness): 23 people, 24.73%
  5. Skin Haemorrhage (bleeding into skin): 17 people, 18.28%
  6. Dizziness: 16 people, 17.20%
  7. Scab (a hard coating on the skin formed during the wound healing): 15 people, 16.13%
  8. Headache (pain in head): 15 people, 16.13%
  9. Fall: 15 people, 16.13%
  10. Dry Skin: 13 people, 13.98%

What are the existing conditions these people have? *

  1. Dermatitis Atopic (inflammatory, chronically relapsing, non-contagious and pruritic skin disorder): 9 people, 9.68%
  2. Primary Myelofibrosis (primary disorder of the bone marrow): 9 people, 9.68%
  3. Pain: 8 people, 8.60%
  4. Chronic Lymphocytic Leukaemia (cancer in which the bone marrow makes too many lymphocytes (a type of white blood cell)): 7 people, 7.53%
  5. Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 7 people, 7.53%
  6. Stress And Anxiety: 7 people, 7.53%
  7. Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 7 people, 7.53%
  8. Depression: 6 people, 6.45%
  9. Psoriasis (immune-mediated disease that affects the skin): 6 people, 6.45%
  10. Constipation: 6 people, 6.45%

* Approximation only. Some reports may have incomplete information.

Do you take Fish oil and have Scratch?

- Check whether Scratch 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:

Scratch treatments and more:

How severe was Scratch 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 Scratch:

Browse all the conditions that are associated with Scratch:

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.

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