Vitamin d and Ravicti drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Vitamin d (ergocalciferol) and Ravicti (glycerol phenylbutyrate). Common drug interactions include ammonia increased among females and decreased appetite among males.

The phase IV clinical study analyzes what interactions people have when they take Vitamin d and Ravicti. It is created by eHealthMe based on reports of 31 people who take the same drugs from the FDA, and is updated regularly.

What is Vitamin d?

Vitamin d has active ingredients of ergocalciferol. It is often used in low vitamin d. eHealthMe is studying from 294,094 Vitamin d users. Check the latest studies of Vitamin d.

What is Ravicti?

Ravicti has active ingredients of glycerol phenylbutyrate. eHealthMe is studying from 1,197 Ravicti users. Check the latest studies of Ravicti.



On Jul, 07, 2026

31 people who take Vitamin d and Ravicti together, and have interactions are studied.

Vitamin d and Ravicti drug interactions.

What are the common drug interactions of Vitamin D and Ravicti, by gender? *:

female:

  1. Ammonia increased
  2. Hyperammonaemia
  3. Liver transplant
  4. Abdominal discomfort
  5. Abdominal pain upper
  6. Diarrhoea
  7. Exposure to toxic agent
  8. Headache (pain in head)
  9. Hypophagia (reduced food intake)
  10. Nausea (feeling of having an urge to vomit)

male:

  1. Decreased appetite
  2. Diarrhoea
  3. Weight decreased
  4. Amino acid level decreased
  5. Ammonia increased
  6. Frequent bowel movements
  7. Gastroenteritis viral (inflammation of stomach and intestine caused by virus infection)
  8. Lactose intolerance (inability to digest lactose)
  9. Acute respiratory failure
  10. Dehydration (dryness resulting from the removal of water)

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

0-1:

n/a

2-9:

  1. Acute respiratory failure
  2. Ammonia increased
  3. Gastroenteritis viral (inflammation of stomach and intestine caused by virus infection)

10-19:

  1. Abdominal discomfort
  2. Amino acid level increased
  3. Ammonia increased
  4. Decreased appetite
  5. Gait disturbance
  6. Gastroenteritis viral (inflammation of stomach and intestine caused by virus infection)
  7. Growth retardation (delayed growth)
  8. Headache (pain in head)
  9. Hypophagia (reduced food intake)
  10. Lethargy (tiredness)

20-29:

  1. Ammonia increased
  2. Diarrhoea
  3. Hyperammonaemia
  4. Liver transplant

30-39:

  1. Hyperammonaemia

40-49:

  1. Decreased appetite
  2. Diarrhoea
  3. Fatigue (feeling of tiredness)
  4. Haematochezia (passage of stools containing blood)
  5. Hepatic enzyme increased
  6. Hypophagia (reduced food intake)
  7. Weight decreased
  8. Amino acid level decreased
  9. Amino acid level increased
  10. Frequent bowel movements

50-59:

  1. Headache (pain in head)

60+:

  1. Ammonia increased
  2. Dehydration (dryness resulting from the removal of water)
  3. Diarrhoea
  4. Exposure to toxic agent
  5. Hyperammonaemia
  6. Loss of consciousness

* Approximation only. Some reports may have incomplete information.

Do you take Vitamin d and Ravicti?

- 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 Vitamin d and Ravicti:

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 Vitamin d:

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 Ravicti:

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 Vitamin d 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 Ravicti 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

Related publications that referenced our studies


How the study uses the data?

The study uses data from the FDA. It is based on ergocalciferol and glycerol phenylbutyrate (the active ingredients of Vitamin d and Ravicti, respectively), and Vitamin d and Ravicti (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.



Recent studies on eHealthMe: