Dulcolax and Fentanyl citrate drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Dulcolax (bisacodyl) and Fentanyl citrate (fentanyl citrate). Common drug interactions include blood urea decreased among females and hypertensive crisis among males.

The phase IV clinical study analyzes what interactions people have when they take Dulcolax and Fentanyl citrate. It is created by eHealthMe based on reports of 60 people who take the same drugs from the FDA, and is updated regularly.

What is Dulcolax?

Dulcolax has active ingredients of bisacodyl. It is often used in constipation. eHealthMe is studying from 12,897 Dulcolax users. Check the latest studies of Dulcolax.

What is Fentanyl citrate?

Fentanyl citrate has active ingredients of fentanyl citrate. It is often used in pain. eHealthMe is studying from 21,294 Fentanyl citrate users. Check the latest studies of Fentanyl citrate.

On Jul, 18, 2026

60 people who take Dulcolax and Fentanyl citrate together, and have interactions are studied.

Dulcolax and Fentanyl citrate drug interactions.

What are the common drug interactions of Dulcolax and Fentanyl Citrate, by gender? *:

female:

Blood urea decreased
Bundle branch block right (absence of transmission of electric impulses from the atrioventricular (av) bundle of his to the right ventricle)
Carbon dioxide decreased
Faecaloma (hard mass of fecal matter)
Flank pain (a distressing sensation experienced around the lower back and the upper abdomen)
Hypotension (abnormally low blood pressure)
Iron deficiency anaemia
Jugular vein thrombosis (clot in jugular vein)
Leukopenia (less number of white blood cells in blood)
Peripheral swelling

male:

Hypertensive crisis
Pyrexia (fever)
Musculoskeletal stiffness (stiffness of the body's muscles, joints, tendons, ligaments and nerves)
Paraesthesia (sensation of tingling, tickling, prickling, pricking, or burning of a person's skin with no apparent long-term physical effect)
Urine output decreased
Cholecystitis acute (rapid infection of gallbladder)
Depression
Emotional distress
Femur fracture
Fracture

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

n/a

30-39:

Abdominal pain
Adnexa uteri mass (ovarian cysts)
Anhedonia (inability to experience pleasure from activities usually found enjoyable)
Anxiety
Ascites (accumulation of fluid in the abdominal cavity)
Back pain
Blood creatine phosphokinase mb increased
Bone disorder
C-reactive protein increased
Cough

40-49:

Diarrhoea
Abdominal pain
Cold sweat
Hypertensive crisis
Nausea (feeling of having an urge to vomit)
Paraesthesia (sensation of tingling, tickling, prickling, pricking, or burning of a person's skin with no apparent long-term physical effect)
Pyrexia (fever)
Urine output decreased
Fatigue (feeling of tiredness)
Somnolence (a state of near-sleep, a strong desire for sleep)

50-59:

Blood phosphorus increased
Blood urea decreased
Bundle branch block right (absence of transmission of electric impulses from the atrioventricular (av) bundle of his to the right ventricle)
Carbon dioxide decreased
Faecaloma (hard mass of fecal matter)
Flank pain (a distressing sensation experienced around the lower back and the upper abdomen)
Iron deficiency anaemia
Jugular vein thrombosis (clot in jugular vein)
Leukopenia (less number of white blood cells in blood)
Peripheral swelling

60+:

Pyrexia (fever)
Hypertensive crisis
Musculoskeletal stiffness (stiffness of the body's muscles, joints, tendons, ligaments and nerves)
Anaemia (lack of blood)
Chronic sinusitis (long lasting inflammation of the paranasal sinuses)
Colitis (inflammation of colon)
Colitis ulcerative (inflammation of colon with ulcer)
Drug ineffective
Dyspepsia (indigestion)
Erythema (redness of the skin)

What are the existing conditions these people have? *

Nausea (feeling of having an urge to vomit): 13 people, 21.67%
Insomnia (sleeplessness): 13 people, 21.67%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 13 people, 21.67%
Chest Pain: 11 people, 18.33%
Crohn's Disease (a condition that causes inflammation of the gastrointestinal tract): 10 people, 16.67%
Neuromuscular Blockade Reversal: 9 people, 15.00%
Headache (pain in head): 7 people, 11.67%
Allergies: 7 people, 11.67%
Nausea And Vomiting: 7 people, 11.67%
Diabetes: 7 people, 11.67%

* Approximation only. Some reports may have incomplete information.

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