Acetaminophen and Hair growth abnormal - a phase IV clinical study of FDA data

Summary:

Hair growth abnormal is reported as a side effect among people who take Acetaminophen (acetaminophen), especially for people who are female, 60+ old, also take Prednisone, and have Pancytopenia.

The phase IV clinical study analyzes which people have Hair growth abnormal when taking Acetaminophen. It is created by eHealthMe based on reports of 181,086 people who have side effects when taking Acetaminophen from the FDA, and is updated regularly.

What is Acetaminophen?

Acetaminophen has active ingredients of acetaminophen. It is often used in pain. eHealthMe is studying from 183,077 Acetaminophen users. Check the latest studies of Acetaminophen.

What is Hair growth abnormal?

Hair growth abnormal is found to be associated with 593 drugs and 712 conditions by eHealthMe. Check the latest studies of Hair growth abnormal.



On Jul, 16, 2026

181,086 people reported to have side effects when taking Acetaminophen.
Among them, 55 people (0.03%) have Hair growth abnormal.

Could Acetaminophen cause Hair growth abnormal?

Among these 55 people:

What is the gender of people who have Hair growth abnormal when taking Acetaminophen? *

  • female: 69.05 %
  • male: 30.95 %

What is the age of people who have Hair growth abnormal when taking Acetaminophen? *

  • 0-1: 0.0 %
  • 2-9: 2.7 %
  • 10-19: 0.0 %
  • 20-29: 13.51 %
  • 30-39: 0.0 %
  • 40-49: 10.81 %
  • 50-59: 2.7 %
  • 60+: 70.27 %

What are other drugs people take besides Acetaminophen? *

  1. Prednisone: 27 people, 49.09%
  2. Methylprednisolone: 16 people, 29.09%
  3. Diphenhydramine Hydrochloride: 14 people, 25.45%
  4. Lenalidomide: 13 people, 23.64%
  5. Vancomycin: 11 people, 20.00%
  6. Benadryl: 10 people, 18.18%
  7. Dilaudid: 10 people, 18.18%
  8. Folic Acid: 10 people, 18.18%
  9. Protonix: 9 people, 16.36%
  10. Pantoprazole: 9 people, 16.36%

What are other side effects people have besides Hair growth abnormal? *

  1. Weakness: 32 people, 58.18%
  2. Dyspnea (difficult or laboured breathing): 28 people, 50.91%
  3. Fever: 25 people, 45.45%
  4. Nausea (feeling of having an urge to vomit): 23 people, 41.82%
  5. Pneumonia: 22 people, 40.00%
  6. Oropharyngeal Pain: 21 people, 38.18%
  7. Swallowing Difficulty: 20 people, 36.36%
  8. Hair Loss: 20 people, 36.36%
  9. Fatigue (feeling of tiredness): 20 people, 36.36%
  10. Poor Venous Access: 19 people, 34.55%

What are the existing conditions these people have? *

  1. Pancytopenia (medical condition in which there is a reduction in the number of red and white blood cells, as well as platelets): 13 people, 23.64%
  2. Eczema (patches of skin become rough and inflamed, with itching and bleeding blisters): 7 people, 12.73%
  3. Sinusitis (inflammation of sinus): 7 people, 12.73%
  4. Gastrointestinal Pain: 6 people, 10.91%
  5. Crohn's Disease (a condition that causes inflammation of the gastrointestinal tract): 6 people, 10.91%
  6. Blood Magnesium Decreased: 5 people, 9.09%
  7. Abdominal Pain: 4 people, 7.27%
  8. Systemic Lupus Erythematosus (an autoimmune disease, which means the body's immune system mistakenly, attacks healthy tissue): 4 people, 7.27%
  9. Migraine (headache): 4 people, 7.27%
  10. Systemic Mastocytosis (a condition caused by the accumulation of mast cells in more than one part of the body): 3 people, 5.45%

* Approximation only. Some reports may have incomplete information.

Do you take Acetaminophen and have Hair growth abnormal?

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Related studies:

Effectiveness of, long term effects of, and alternative drugs to Acetaminophen:

Hair growth abnormal treatments and more:

How severe was Hair growth abnormal 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 Acetaminophen:

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 Hair growth abnormal:

Browse all the conditions that are associated with Hair growth abnormal:


How the study uses the data?

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