Relistor and Ms contin drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Relistor (methylnaltrexone bromide) and Ms contin (morphine sulfate). Common drug interactions include constipation among females and constipation among males.

The phase IV clinical study analyzes what interactions people have when they take Relistor and Ms contin. 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 Relistor?

Relistor has active ingredients of methylnaltrexone bromide. eHealthMe is studying from 1,659 Relistor users. Check the latest studies of Relistor.

What is Ms contin?

Ms contin has active ingredients of morphine sulfate. It is often used in pain. eHealthMe is studying from 69,289 Ms contin users. Check the latest studies of Ms contin.

On Jul, 10, 2026

30 people who take Relistor and Ms contin together, and have interactions are studied.

Relistor and Ms contin drug interactions.

What are the common drug interactions of Relistor and Ms Contin, by gender? *:

female:

Constipation
Death
Depressed level of consciousness
Drug effect decreased
Drug withdrawal syndrome (interfere with normal social, occupational, or other functioning. are not due to another medical condition, drug use, or discontinuation)
Eye pruritus (eye itching)
Flatulence (flatus expelled through the anus)
Intestinal ischaemia (decreased supply of oxygenated blood to the intestines)
Lacrimation increased
Lethargy (tiredness)

male:

Constipation
Abdominal pain
Atrial fibrillation (fibrillation of the muscles of the atria of the heart)
Bacteraemia (presence of bacteria in the blood)
Cardiac arrest
Cardiac failure congestive
Chest pain
Coma (state of unconsciousness lasting more than six hours)
Depression
Disability

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

Cerebrospinal fluid leakage
Drug withdrawal syndrome (interfere with normal social, occupational, or other functioning. are not due to another medical condition, drug use, or discontinuation)
Pseudomeningocele (abnormal collection of cerebrospinal fluid)
Swelling

30-39:

n/a

40-49:

n/a

50-59:

Migraine (headache)
Vomiting
Drug ineffective
Hangover
Abdominal pain
Muscle tightness
Muscular weakness (muscle weakness)
Oral disorder (mouth disease)
Lipoma (a growth of fatty tissue that slowly develops just under your skin)
Abdominal discomfort

60+:

Constipation
Faecaloma (hard mass of fecal matter)
Atrial fibrillation (fibrillation of the muscles of the atria of the heart)
Bacteraemia (presence of bacteria in the blood)
Blood creatinine increased
Cardiac arrest
Cardiac failure congestive
Coma (state of unconsciousness lasting more than six hours)
Depressed level of consciousness
Drug effect decreased

What are the existing conditions these people have? *

Constipation: 16 people, 53.33%
Stress And Anxiety: 6 people, 20.00%
Muscle Spasms (muscle contraction): 5 people, 16.67%
Nausea (feeling of having an urge to vomit): 4 people, 13.33%
Mood Swings (an extreme or rapid change in mood): 4 people, 13.33%
Migraine (headache): 4 people, 13.33%
Immunodeficiency Common Variable: 4 people, 13.33%
Ulcerative Colitis (inflammatory bowel disease (ibd). it causes swelling, ulcerations, and loss of function of the large intestine): 4 people, 13.33%
Spinal Pain (pain in spine): 3 people, 10.00%
Nerve Injury: 3 people, 10.00%

* Approximation only. Some reports may have incomplete information.

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