Tylenol and Overgrowth bacterial - a phase IV clinical study of FDA data

Summary:

Overgrowth bacterial is reported as a side effect among people who take Tylenol (acetaminophen), especially for people who are female, 40-49 old, also take Accutane, and have Multiple myeloma.

The phase IV clinical study analyzes which people have Overgrowth bacterial when taking Tylenol. It is created by eHealthMe based on reports of 217,809 people who have side effects when taking Tylenol from the FDA, and is updated regularly.

What is Tylenol?

Tylenol has active ingredients of acetaminophen. It is often used in pain. eHealthMe is studying from 222,309 Tylenol users. Check the latest studies of Tylenol.

What is Overgrowth bacterial?

Overgrowth bacterial (extra growth due to bacteria) is found to be associated with 86 drugs and 181 conditions by eHealthMe. Check the latest studies of Overgrowth bacterial.



On Jul, 05, 2026

217,809 people reported to have side effects when taking Tylenol.
Among them, 22 people (0.01%) have Overgrowth bacterial.

Could Tylenol cause Overgrowth bacterial?

Among these 22 people:

What is the gender of people who have Overgrowth bacterial when taking Tylenol? *

  • female: 63.64 %
  • male: 36.36 %

What is the age of people who have Overgrowth bacterial when taking Tylenol? *

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

What are other drugs people take besides Tylenol? *

  1. Zometa: 6 people, 27.27%
  2. Ibuprofen: 6 people, 27.27%
  3. Atenolol: 6 people, 27.27%
  4. Cozaar: 6 people, 27.27%
  5. Hydrochlorothiazide: 6 people, 27.27%
  6. Accutane: 6 people, 27.27%
  7. Sodium Chloride: 4 people, 18.18%
  8. Methylprednisolone Sodium Succinate: 3 people, 13.64%
  9. Pregabalin: 3 people, 13.64%
  10. Amoxil: 3 people, 13.64%

What are other side effects people have besides Overgrowth bacterial? *

  1. Stress And Anxiety: 12 people, 54.55%
  2. Back Pain: 12 people, 54.55%
  3. Weakness: 9 people, 40.91%
  4. Hypoaesthesia (reduced sense of touch or sensation): 9 people, 40.91%
  5. Osteoporosis (bones weak and more likely to break): 8 people, 36.36%
  6. Crohn's Disease (a condition that causes inflammation of the gastrointestinal tract): 8 people, 36.36%
  7. Fall: 8 people, 36.36%
  8. Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 8 people, 36.36%
  9. Joint Pain: 8 people, 36.36%
  10. Small Intestinal Obstruction (blockage in small intestine): 7 people, 31.82%

What are the existing conditions these people have? *

  1. Multiple Myeloma (cancer of the plasma cells): 6 people, 27.27%
  2. Short-Bowel Syndrome (a condition in which the body cannot absorb enough fluids and nutrients because part of the small intestine is missing): 4 people, 18.18%
  3. Urinary Tract Infection Bacterial: 3 people, 13.64%
  4. Relapsing-Remitting Multiple Sclerosis (reoccurrence of an inflammatory disease in which the insulating covers of nerve cells in the brain and spinal cord are damaged): 3 people, 13.64%
  5. Back Pain: 3 people, 13.64%
  6. Menopause (end of monthly cycles in women): 2 people, 9.09%
  7. Chronic Renal Failure (kidney failure): 2 people, 9.09%
  8. Schizophrenia (a mental disorder characterized by a breakdown of thought processes): 1 person, 4.55%
  9. Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 1 person, 4.55%
  10. Neuroendocrine Carcinoma (cancer tumour that arise from cells of the endocrine (hormonal) and nervous systems): 1 person, 4.55%

* Approximation only. Some reports may have incomplete information.

Do you take Tylenol and have Overgrowth bacterial?

- Check whether Overgrowth bacterial 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 Tylenol:

Overgrowth bacterial treatments and more:

How severe was Overgrowth bacterial and when was it recovered:

Expand to all the drugs that have ingredients of acetaminophen:

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 Tylenol:

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 Overgrowth bacterial:

Browse all the conditions that are associated with Overgrowth bacterial:


How the study uses the data?

The study uses data from the FDA. It is based on acetaminophen (the active ingredients of Tylenol) and Tylenol (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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