Vitamin c and Duphalac drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Vitamin c (l-ascorbic acid) and Duphalac (lactulose). Common drug interactions include pneumonitis among females and anaemia among males.

The phase IV clinical study analyzes what interactions people have when they take Vitamin c and Duphalac. It is created by eHealthMe based on reports of 21 people who take the same drugs from the FDA, and is updated regularly.

What is Vitamin c?

Vitamin c has active ingredients of l-ascorbic acid. It is often used in immune response. eHealthMe is studying from 92,472 Vitamin c users. Check the latest studies of Vitamin c.

What is Duphalac?

Duphalac has active ingredients of lactulose. It is often used in constipation. eHealthMe is studying from 5,152 Duphalac users. Check the latest studies of Duphalac.

On Jul, 08, 2026

21 people who take Vitamin c and Duphalac together, and have interactions are studied.

Vitamin c and Duphalac drug interactions.

What are the common drug interactions of Vitamin C and Duphalac, by gender? *:

female:

Pneumonitis (inflammation of the walls of the alveoli in the lungs)
Renal failure (kidney dysfunction)
Ileus (a painful obstruction of the ileum or other part of the intestine)
Pleural effusion (water on the lungs)
Vomiting
Lung infection
Abdominal distension
Abdominal pain
Adenomyosis (presence of ectopic glandular tissue found in muscle)
Ammonia increased

male:

Anaemia (lack of blood)
Hypercalcaemia (elevated calcium (ca+) level in the blood)
Hypokalaemia (low potassium)
Disseminated intravascular coagulation (systemic activation of blood coagulation)
Lung infection
Myelosuppression (a decrease in the production of blood cells)
Neutrophil count decreased (less than normal number of neutrophil a type of blood cell)
Pneumonia
Thrombocytopenia (decrease of platelets in blood)

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

n/a

30-39:

n/a

40-49:

Ileus (a painful obstruction of the ileum or other part of the intestine)
Anxiety
Chronic kidney disease
Depression
Incontinence (lack of moderation or self-control)

50-59:

Pleural effusion (water on the lungs)
Vomiting
Lung infection
Pneumonia
Abdominal distension
Abdominal pain
Adenomyosis (presence of ectopic glandular tissue found in muscle)
Ammonia increased
Anaemia (lack of blood)
Anion gap increased

60+:

Pneumonia
Pneumonitis (inflammation of the walls of the alveoli in the lungs)
Renal failure (kidney dysfunction)
Anaemia (lack of blood)
Hypercalcaemia (elevated calcium (ca+) level in the blood)
Hypokalaemia (low potassium)
Lung infection
Myelosuppression (a decrease in the production of blood cells)
Myositis (inflammation of the muscles)
Neutrophil count decreased (less than normal number of neutrophil a type of blood cell)

What are the existing conditions these people have? *

Lung Cancer - Non-Small Cell (lung cancer): 9 people, 42.86%
Dyspnea (difficult or laboured breathing): 6 people, 28.57%
Stress And Anxiety: 5 people, 23.81%
Insomnia (sleeplessness): 5 people, 23.81%
High Blood Cholesterol: 5 people, 23.81%
High Blood Pressure: 4 people, 19.05%
Pain: 4 people, 19.05%
Atherosclerosis (disorder of the arteries): 2 people, 9.52%
Chest Pain: 2 people, 9.52%
Coughing Up Blood: 2 people, 9.52%

* Approximation only. Some reports may have incomplete information.

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