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

Summary:

Nerve block 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 Immunodeficiency common variable.

The phase IV clinical study analyzes which people have Nerve block 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 Nerve block?

Nerve block (the interruption of signals travelling along a nerve) is found to be associated with 159 drugs and 177 conditions by eHealthMe. Check the latest studies of Nerve block.



On Jul, 21, 2026

109,866 people reported to have side effects when taking Fish oil.
Among them, 11 people (0.01%) have Nerve block.

Could Fish oil cause Nerve block?

Among these 11 people:

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

  • female: 100 %
  • male: 0.0 %

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

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 11.11 %
  • 20-29: 0.0 %
  • 30-39: 0.0 %
  • 40-49: 22.22 %
  • 50-59: 0.0 %
  • 60+: 66.67 %

What are other drugs people take besides Fish oil? *

  1. Vitamin D3: 7 people, 63.64%
  2. Proair Hfa: 5 people, 45.45%
  3. Mucinex: 5 people, 45.45%
  4. Coenzyme Q10: 5 people, 45.45%
  5. Melatonin: 4 people, 36.36%
  6. Lidocaine: 4 people, 36.36%
  7. Nasonex: 4 people, 36.36%
  8. Naltrexone Hydrochloride: 4 people, 36.36%
  9. Miralax: 4 people, 36.36%
  10. Magnesium Glycinate: 4 people, 36.36%

What are other side effects people have besides Nerve block? *

  1. Fungal Test Positive: 4 people, 36.36%
  2. Intervertebral Disc Degeneration (spinal disc degeneration): 4 people, 36.36%
  3. Lyme Disease (a bacterial infection that is spread to humans by infected ticks): 4 people, 36.36%
  4. Pneumonia: 4 people, 36.36%
  5. Rash Papular (redness with papule): 4 people, 36.36%
  6. Chest Pain: 4 people, 36.36%
  7. Allergy To Animal: 4 people, 36.36%
  8. Anaphylaxis (serious allergic reaction that is rapid in onset and may cause death): 4 people, 36.36%
  9. Sinusitis (inflammation of sinus): 4 people, 36.36%
  10. Weakness: 3 people, 27.27%

What are the existing conditions these people have? *

  1. Primary Immunodeficiency Syndrome: 4 people, 36.36%
  2. Immunodeficiency Common Variable: 4 people, 36.36%
  3. Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 2 people, 18.18%
  4. Gait Disturbance: 2 people, 18.18%
  5. Polyneuropathy (neurological disorder that occurs when many peripheral nerves throughout the body malfunction simultaneously): 1 person, 9.09%
  6. Hypothyroidism (abnormally low activity of the thyroid gland, resulting in retardation of growth and mental development): 1 person, 9.09%
  7. Hallucination, Auditory (perceiving sounds without auditory stimulus): 1 person, 9.09%
  8. Endometriosis (appearance of endometrial tissue outside the uterus and causing pelvic pain): 1 person, 9.09%
  9. Delusion (a false belief or opinion): 1 person, 9.09%
  10. Complex Regional Pain Syndrome (long lasting pain condition most often affecting one of the limbs (arms, legs, hands, or feet)): 1 person, 9.09%

* Approximation only. Some reports may have incomplete information.

Do you take Fish oil and have Nerve block?

- Check whether Nerve block 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:

Nerve block treatments and more:

How severe was Nerve block 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 Nerve block:

Browse all the conditions that are associated with Nerve block:


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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