Gravol and Wheezing - a phase IV clinical study of FDA data

Summary:

Wheezing is reported as a side effect among people who take Gravol (dimenhydrinate), especially for people who are female, 30-39 old, have been taking the drug for < 1 month also take Benadryl, and have Relapsing-remitting multiple sclerosis.

The phase IV clinical study analyzes which people have Wheezing when taking Gravol. It is created by eHealthMe based on reports of 6,796 people who have side effects when taking Gravol from the FDA, and is updated regularly.

What is Gravol?

Gravol has active ingredients of dimenhydrinate. It is often used in nausea. eHealthMe is studying from 7,192 Gravol users. Check the latest studies of Gravol.

What is Wheezing?

Wheezing (a high-pitched whistling sound made while you breath) is found to be associated with 1,811 drugs and 2,208 conditions by eHealthMe. Check the latest studies of Wheezing.



On Jul, 16, 2026

6,796 people reported to have side effects when taking Gravol.
Among them, 70 people (1.03%) have Wheezing.

Could Gravol cause Wheezing?

Among these 70 people:

How long have people been on Gravol when they have Wheezing? *

  • < 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 Wheezing when taking Gravol? *

  • female: 98.48 %
  • male: 1.52 %

What is the age of people who have Wheezing when taking Gravol? *

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 0.0 %
  • 20-29: 10.94 %
  • 30-39: 57.81 %
  • 40-49: 0.0 %
  • 50-59: 20.31 %
  • 60+: 10.94 %

What are other drugs people take besides Gravol? *

  1. Benadryl: 31 people, 44.29%
  2. Ventolin: 25 people, 35.71%
  3. Spiriva: 21 people, 30.00%
  4. Advair Hfa: 19 people, 27.14%
  5. Singulair: 18 people, 25.71%
  6. Magnesium: 16 people, 22.86%
  7. Nucala: 16 people, 22.86%
  8. Pantoprazole: 15 people, 21.43%
  9. Xolair: 15 people, 21.43%
  10. Flovent: 14 people, 20.00%

What are other side effects people have besides Wheezing? *

  1. Dyspnea (difficult or laboured breathing): 52 people, 74.29%
  2. Cough: 46 people, 65.71%
  3. Chest Pain: 41 people, 58.57%
  4. Fever: 41 people, 58.57%
  5. Headache (pain in head): 30 people, 42.86%
  6. Malaise (a feeling of general discomfort or uneasiness): 28 people, 40.00%
  7. Red Blood Cell Count Decreased: 27 people, 38.57%
  8. Arrhythmias (irregular heartbeat): 24 people, 34.29%
  9. Urticaria (rash of round, red welts on the skin that itch intensely): 24 people, 34.29%
  10. Sinusitis (inflammation of sinus): 24 people, 34.29%

What are the existing conditions these people have? *

  1. 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): 35 people, 50.00%
  2. Asthma: 20 people, 28.57%
  3. Urticaria (rash of round, red welts on the skin that itch intensely): 12 people, 17.14%
  4. Pain: 12 people, 17.14%
  5. Hypersensitivity: 12 people, 17.14%
  6. Anaphylaxis (serious allergic reaction that is rapid in onset and may cause death): 9 people, 12.86%
  7. Gastric Disorder (disease of stomach): 5 people, 7.14%
  8. Ankylosing Spondylitis (type of arthritis affecting the spine): 3 people, 4.29%
  9. Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 3 people, 4.29%
  10. Psoriasis (immune-mediated disease that affects the skin): 2 people, 2.86%

* Approximation only. Some reports may have incomplete information.

Do you take Gravol and have Wheezing?

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

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

Wheezing treatments and more:

How severe was Wheezing and when was it recovered:

Expand to all the drugs that have ingredients of dimenhydrinate:

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 Gravol:

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 Wheezing:

Browse all the conditions that are associated with Wheezing:


How the study uses the data?

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