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Erythromycin and Gravol drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Erythromycin (erythromycin) and Gravol (dimenhydrinate). Common drug interactions include flushing among females and crystalluria among males.

The phase IV clinical study analyzes what interactions people have when they take Erythromycin and Gravol. It is created by eHealthMe based on reports of 30 people who take the same drugs from the FDA, and is updated regularly.

What is Erythromycin?

Erythromycin has active ingredients of erythromycin. It is often used in acne. eHealthMe is studying from 12,563 Erythromycin users. Check the latest studies of Erythromycin.

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.

On Jul, 14, 2026

30 people who take Erythromycin and Gravol together, and have interactions are studied.

Erythromycin and Gravol drug interactions.

What are the common drug interactions of Erythromycin and Gravol, by gender? *:

female:

  1. Flushing (the warm, red condition of human skin)
  2. Anaemia (lack of blood)
  3. Blindness
  4. Blood iron decreased
  5. Blood pressure fluctuation
  6. Blood pressure increased
  7. Body temperature increased
  8. Colitis ulcerative (inflammation of colon with ulcer)
  9. Constipation
  10. Contusion (a type of hematoma of tissue in which capillaries)

male:

  1. Crystalluria (crystals found in the urine)

What are the common drug interactions of Erythromycin and Gravol, by age (0-1 to 60+)? *:

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

  1. Abdominal distension
  2. Abdominal tenderness
  3. Anaemia (lack of blood)
  4. Blindness
  5. Blood iron decreased
  6. Blood pressure fluctuation
  7. Blood pressure increased
  8. Body temperature increased
  9. Colitis ulcerative (inflammation of colon with ulcer)
  10. Constipation

30-39:

n/a

40-49:

  1. Sinus bradycardia (an unusually slow heartbeat due to heart disease)
  2. Electrocardiogram pr prolongation
  3. Electrocardiogram qt prolonged

50-59:

n/a

60+:

  1. Crystalluria (crystals found in the urine)

What are the existing conditions these people have? *

  1. Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 14 people, 46.67%
  2. Ulcerative Colitis (inflammatory bowel disease (ibd). it causes swelling, ulcerations, and loss of function of the large intestine): 9 people, 30.00%
  3. Pain: 9 people, 30.00%
  4. Infection: 9 people, 30.00%
  5. Fever: 9 people, 30.00%
  6. Birth Control: 9 people, 30.00%
  7. Abdominal Pain: 9 people, 30.00%
  8. Herpes Zoster: 2 people, 6.67%

* Approximation only. Some reports may have incomplete information.

Do you take Erythromycin and Gravol?

- Personalize this study to your gender, age, symptoms and drugs
- Predict drug outcomes for up to one year with AI
- Get an AI agent to monitor your drugs continuously

Related studies:

Effectiveness of, side effects of, and alternative drugs to the 2 drugs:

Browse all drug interactions of Erythromycin and 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

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 Erythromycin:

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 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 interactions between Erythromycin and drugs from A to Z:

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 interactions between Gravol and drugs from A to Z:

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

How the study uses the data?

The study uses data from the FDA. It is based on erythromycin and dimenhydrinate (the active ingredients of Erythromycin and Gravol, respectively), and Erythromycin and Gravol (the brand names). 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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