Buscopan and Alfenta drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Buscopan (hyoscine butylbromide) and Alfenta (alfentanil hydrochloride). Common drug interactions include colitis among females.

The phase IV clinical study analyzes what interactions people have when they take Buscopan and Alfenta. It is created by eHealthMe based on reports of 22 people who take the same drugs from the FDA, and is updated regularly.

What is Buscopan?

Buscopan has active ingredients of hyoscine butylbromide. eHealthMe is studying from 4,828 Buscopan users. Check the latest studies of Buscopan.

What is Alfenta?

Alfenta has active ingredients of alfentanil hydrochloride. eHealthMe is studying from 1,508 Alfenta users. Check the latest studies of Alfenta.

eHealthMe: drug outcomes in the real world

eHealthMe runs one of the largest post-marketing drug safety studies in the world. We study millions of patients and 5,000 more each day. Our data-driven phase IV clinical trials have been referenced on 800+ peer-reviewed medical publications including The Lancet, Mayo Clinic Proceedings, and Nature. Tools to study our phase IV findings are available to the public, anonymous and free >>>.

On Aug, 28, 2026

22 people who take Buscopan and Alfenta together, and have interactions are studied.

What are the common drug interactions of Buscopan and Alfenta, by gender? *:

female:

Colitis (inflammation of colon)
Diarrhoea
Oesophagitis (inflammation of oesophagus)
Rash
Hydronephrosis (water inside the kidney)
Abdominal pain
Colitis ischaemic (due to infection of intestine impaired blood supply to colon)
Neutropenic sepsis (whole body infection is caused by a condition in which the number of white blood cells (called neutrophils) in the blood is low. neutrophils help the body to fight infection)
Pneumonia
Vomiting

male:

n/a

What are the common drug interactions of Buscopan and Alfenta, 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:

Vomiting
Diarrhoea
Peritonitis (inflammation of the peritoneum, the thin tissue that lines the inner wall of the abdomen and covers most of the abdominal organs)
Rash
Colitis (inflammation of colon)
Abdominal pain
Colitis ischaemic (due to infection of intestine impaired blood supply to colon)
Neutropenic sepsis (whole body infection is caused by a condition in which the number of white blood cells (called neutrophils) in the blood is low. neutrophils help the body to fight infection)
Pneumonia

50-59:

n/a

60+:

Deep vein thrombosis (blood clot in a major vein that usually develops in the legs and/or pelvis)
Gastrointestinal haemorrhage (bleeding gastrointestinal tract)
Oesophagitis (inflammation of oesophagus)
Diarrhoea
Hydronephrosis (water inside the kidney)

What are the existing conditions these people have? *

Pain: 19 people, 86.36%
Depression: 18 people, 81.82%
Nausea (feeling of having an urge to vomit): 15 people, 68.18%
Diarrhea: 14 people, 63.64%
Blood Magnesium Decreased: 12 people, 54.55%
Breast Cancer Metastatic: 12 people, 54.55%
Neutropenic Sepsis (whole body infection is caused by a condition in which the number of white blood cells (called neutrophils) in the blood is low. neutrophils help the body to fight infection): 11 people, 50.00%
Pneumonia: 10 people, 45.45%
Colitis Ischaemic (due to infection of intestine impaired blood supply to colon): 7 people, 31.82%
Nausea And Vomiting: 6 people, 27.27%

* Approximation only. Some reports may have incomplete information.

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