Anhydrous caffeine and Nausea - a phase IV clinical study of FDA data

Summary:

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

The phase IV clinical study analyzes which people have Nausea when taking Anhydrous caffeine. It is created by eHealthMe based on reports of 60 people who have side effects when taking Anhydrous caffeine from the FDA, and is updated regularly.

What is Anhydrous caffeine?

Anhydrous caffeine has active ingredients of caffeine. eHealthMe is studying from 70 Anhydrous caffeine users. Check the latest studies of Anhydrous caffeine.

What is Nausea?

Nausea (feeling of having an urge to vomit) is found to be associated with 3,883 drugs and 5,634 conditions by eHealthMe. Check the latest studies of Nausea.



On Jul, 17, 2026

60 people reported to have side effects when taking Anhydrous caffeine.
Among them, 11 people (18.33%) have Nausea.

Could Anhydrous caffeine cause Nausea?

Among these 11 people:

How long have people been on Anhydrous caffeine when they have Nausea? *

  • < 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 Nausea when taking Anhydrous caffeine? *

  • female: 36.36 %
  • male: 63.64 %

What is the age of people who have Nausea when taking Anhydrous caffeine? *

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 0.0 %
  • 20-29: 0.0 %
  • 30-39: 18.18 %
  • 40-49: 9.09 %
  • 50-59: 18.18 %
  • 60+: 54.55 %

What are other drugs people take besides Anhydrous caffeine? *

  1. Xylocaine: 6 people, 54.55%
  2. Sulfamethoxazole: 6 people, 54.55%
  3. Riboflavin: 6 people, 54.55%
  4. Zovirax: 5 people, 45.45%
  5. Zofran: 5 people, 45.45%
  6. Velcade: 5 people, 45.45%
  7. Flomax: 4 people, 36.36%
  8. Melphalan: 4 people, 36.36%
  9. Humulin R: 3 people, 27.27%
  10. Humira: 3 people, 27.27%

What are other side effects people have besides Nausea? *

  1. Fever: 6 people, 54.55%
  2. Skin Erosion (a discontinuity of the skin): 6 people, 54.55%
  3. Insomnia (sleeplessness): 6 people, 54.55%
  4. Loss Of Consciousness: 6 people, 54.55%
  5. Hyponatremia (abnormally low level of sodium in the blood; associated with dehydration): 6 people, 54.55%
  6. Hypokalemia (low potassium): 6 people, 54.55%
  7. Orthostatic Intolerance (development of symptoms when standing upright which are relieved when sitting back down again): 6 people, 54.55%
  8. Diarrhea: 6 people, 54.55%
  9. Pleural Effusion (water on the lungs): 6 people, 54.55%
  10. The Flu (the flu is caused by an influenza virus): 6 people, 54.55%

What are the existing conditions these people have? *

  1. Osteoporosis (bones weak and more likely to break): 8 people, 72.73%
  2. Lumbar Spinal Stenosis (a medical condition in which the spinal canal narrows and compresses the spinal cord and nerves at the level of the lumbar bone): 6 people, 54.55%
  3. Multiple Myeloma (cancer of the plasma cells): 6 people, 54.55%
  4. Appetite - Decreased (decreased appetite occurs when you have a reduced desire to eat): 6 people, 54.55%
  5. Bronchitis (inflammation of the mucous membrane in the bronchial tubes): 6 people, 54.55%
  6. Constipation: 6 people, 54.55%
  7. Cytomegalovirus Infection: 6 people, 54.55%
  8. Diarrhea: 6 people, 54.55%
  9. Dry Skin: 6 people, 54.55%
  10. Enterocolitis (inflammation of the digestive tract, involving enteritis of the small intestine and colitis of the colon): 6 people, 54.55%

* Approximation only. Some reports may have incomplete information.

Do you take Anhydrous caffeine and have Nausea?

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Related studies:

Effectiveness of, long term effects of, and alternative drugs to Anhydrous caffeine:

Nausea treatments and more:

How severe was Nausea and when was it recovered:

Expand to all the drugs that have ingredients of caffeine:

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 Anhydrous caffeine:

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 Nausea:

Browse all the conditions that are associated with Nausea:


How the study uses the data?

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