N-acetylcysteine and Insomnia - a phase IV clinical study of FDA data

Summary:

Insomnia is reported as a side effect among people who take N-acetylcysteine (n - acetyl cysteine), especially for people who are male, 20-29 old, have been taking the drug for < 1 month also take Magnesium, and have Gastrointestinal disorder.

The phase IV clinical study analyzes which people have Insomnia when taking N-acetylcysteine. It is created by eHealthMe based on reports of 711 people who have side effects when taking N-acetylcysteine from the FDA, and is updated regularly.

What is N-acetylcysteine?

N-acetylcysteine has active ingredients of n - acetyl cysteine. eHealthMe is studying from 775 N-acetylcysteine users. Check the latest studies of N-acetylcysteine.

What is Insomnia?

Insomnia (sleeplessness) is found to be associated with 3,118 drugs and 5,168 conditions by eHealthMe. Check the latest studies of Insomnia.



On Jun, 05, 2026

711 people reported to have side effects when taking N-acetylcysteine.
Among them, 25 people (3.52%) have Insomnia.

Could N-acetylcysteine cause Insomnia?

Among these 25 people:

How long have people been on N-acetylcysteine when they have Insomnia? *

  • < 1 month: 100 %
  • 1 - 6 months: 0.0 %
  • 6 - 12 months: 0.0 %
  • 1 - 2 years: 0.0 %
  • 2 - 5 years: 0.0 %
  • 5 - 10 years: 0.0 %
  • 10+ years: 0.0 %

What is the gender of people who have Insomnia when taking N-acetylcysteine? *

  • female: 50 %
  • male: 50 %

What is the age of people who have Insomnia when taking N-acetylcysteine? *

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 0.0 %
  • 20-29: 55.56 %
  • 30-39: 5.56 %
  • 40-49: 0.0 %
  • 50-59: 33.33 %
  • 60+: 5.56 %

What are other drugs people take besides N-acetylcysteine? *

  1. Magnesium: 13 people, 52.00%
  2. Melatonin: 11 people, 44.00%
  3. Vitamin B6: 10 people, 40.00%
  4. Flagyl: 9 people, 36.00%
  5. Vitamin B12: 8 people, 32.00%
  6. Vitamin D: 7 people, 28.00%
  7. Vitamin C: 7 people, 28.00%
  8. Probiotic: 6 people, 24.00%
  9. Cimetidine: 5 people, 20.00%
  10. Apremilast: 5 people, 20.00%

What are other side effects people have besides Insomnia? *

  1. Fatigue (feeling of tiredness): 15 people, 60.00%
  2. Stress And Anxiety: 11 people, 44.00%
  3. Feeling Abnormal: 9 people, 36.00%
  4. Nausea (feeling of having an urge to vomit): 9 people, 36.00%
  5. Derealisation: 9 people, 36.00%
  6. Sleep Disorder: 9 people, 36.00%
  7. Speech Disorder: 9 people, 36.00%
  8. Dissociation: 9 people, 36.00%
  9. Dysstasia (difficulty in standing): 9 people, 36.00%
  10. Suicidal Ideation: 9 people, 36.00%

What are the existing conditions these people have? *

  1. Gastrointestinal Disorder (functional problems of gastrointestinal tract): 9 people, 36.00%
  2. Migraine (headache): 6 people, 24.00%
  3. Complex Regional Pain Syndrome (long lasting pain condition most often affecting one of the limbs (arms, legs, hands, or feet)): 5 people, 20.00%
  4. Hyperlipidaemia (presence of excess lipids in the blood): 4 people, 16.00%
  5. Dyspnea (difficult or laboured breathing): 2 people, 8.00%
  6. Hypersensitivity: 2 people, 8.00%
  7. Pain: 2 people, 8.00%
  8. Pneumonia: 2 people, 8.00%
  9. Depression: 2 people, 8.00%
  10. Stress And Anxiety: 2 people, 8.00%

* Approximation only. Some reports may have incomplete information.

Do you take N-acetylcysteine and have Insomnia?

- Check whether Insomnia is associated with a drug or a condition
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Related studies:

Effectiveness of, long term effects of, and alternative drugs to N-acetylcysteine:

Insomnia treatments and more:

How severe was Insomnia and when was it recovered:

Expand to all the drugs that have ingredients of n - acetyl cysteine:

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 N-acetylcysteine:

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 Insomnia:

Browse all the conditions that are associated with Insomnia:


How the study uses the data?

The study uses data from the FDA. It is based on n - acetyl cysteine (the active ingredients of N-acetylcysteine) and N-acetylcysteine (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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