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Guaifenesin and Pancytopenia - a phase IV clinical study of FDA data

Summary:

Pancytopenia is reported as a side effect among people who take Guaifenesin (guaifenesin), especially for people who are male, 60+ old, have been taking the drug for < 1 month also take Revlimid, and have Nausea.

The phase IV clinical study analyzes which people have Pancytopenia when taking Guaifenesin. It is created by eHealthMe based on reports of 11,942 people who have side effects when taking Guaifenesin from the FDA, and is updated regularly.

What is Guaifenesin?

Guaifenesin has active ingredients of guaifenesin. It is often used in cough. eHealthMe is studying from 12,106 Guaifenesin users. Check the latest studies of Guaifenesin.

What is Pancytopenia?

Pancytopenia (medical condition in which there is a reduction in the number of red and white blood cells, as well as platelets) is found to be associated with 1,791 drugs and 2,432 conditions by eHealthMe. Check the latest studies of Pancytopenia.

eHealthMe: drug outcomes in the real world

eHealthMe runs one of the largest post-marketing drug safety studies in the world. We study millions of patients and 5,000 more each day. Our data-driven phase IV clinical trials have been referenced on 800+ peer-reviewed medical publications including The Lancet, Mayo Clinic Proceedings, and Nature. Tools to study our phase IV findings are available to the public, anonymous and free >>>.

On Aug, 26, 2026

11,942 people reported to have side effects when taking Guaifenesin.
Among them, 91 people (0.76%) have Pancytopenia.

Could Guaifenesin cause Pancytopenia?

Among these 91 people:

How long have people been on Guaifenesin when they have Pancytopenia? *

  • < 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 Pancytopenia when taking Guaifenesin? *

  • female: 38.96 %
  • male: 61.04 %

What is the age of people who have Pancytopenia when taking Guaifenesin? *

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 1.45 %
  • 20-29: 0.0 %
  • 30-39: 2.9 %
  • 40-49: 8.7 %
  • 50-59: 14.49 %
  • 60+: 72.46 %

What are other drugs people take besides Guaifenesin? *

  1. Revlimid: 28 people, 30.77%
  2. Prilosec: 26 people, 28.57%
  3. Gabapentin: 24 people, 26.37%
  4. Zometa: 23 people, 25.27%
  5. Celebrex: 23 people, 25.27%
  6. Neurontin: 23 people, 25.27%
  7. Furosemide: 23 people, 25.27%
  8. Ativan: 23 people, 25.27%
  9. Flonase: 22 people, 24.18%
  10. Levaquin: 22 people, 24.18%

What are other side effects people have besides Pancytopenia? *

  1. Fatigue (feeling of tiredness): 30 people, 32.97%
  2. Anaemia (lack of blood): 26 people, 28.57%
  3. Dehydration (dryness resulting from the removal of water): 26 people, 28.57%
  4. Weakness: 25 people, 27.47%
  5. Pneumonia: 25 people, 27.47%
  6. Cellulitis (infection under the skin): 23 people, 25.27%
  7. Pain: 23 people, 25.27%
  8. Osteonecrosis Of Jaw (death of bone of jaw): 22 people, 24.18%
  9. Chronic Obstructive Pulmonary Disease (a progressive disease that makes it hard to breathe): 22 people, 24.18%
  10. Hyperlipidaemia (presence of excess lipids in the blood): 22 people, 24.18%

What are the existing conditions these people have? *

  1. Nausea (feeling of having an urge to vomit): 21 people, 23.08%
  2. Pain: 18 people, 19.78%
  3. Depression: 18 people, 19.78%
  4. Multiple Myeloma (cancer of the plasma cells): 17 people, 18.68%
  5. Sleep Disorder: 16 people, 17.58%
  6. Arthritis (form of joint disorder that involves inflammation of one or more joints): 15 people, 16.48%
  7. Hypercalcaemia (elevated calcium (ca+) level in the blood): 15 people, 16.48%
  8. Muscle Spasms (muscle contraction): 14 people, 15.38%
  9. Constipation: 9 people, 9.89%
  10. Insomnia (sleeplessness): 8 people, 8.79%

* Approximation only. Some reports may have incomplete information.

Do you take Guaifenesin and have Pancytopenia?

- Check whether Pancytopenia 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 Guaifenesin:

Pancytopenia treatments and more:

How severe was Pancytopenia and when was it recovered:

Expand to all the drugs that have ingredients of guaifenesin:

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 Guaifenesin:

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 Pancytopenia:

Browse all the conditions that are associated with Pancytopenia:

Related publications that referenced our studies

How the study uses the data?

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