Se and Msm drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Se (selenium) and Msm (methylsulfonylmethane). Common drug interactions include uterine haemorrhage among females and vision blurred among males.

The phase IV clinical study analyzes what interactions people have when they take Se and Msm. It is created by eHealthMe based on reports of 37 people who take the same drugs from the FDA, and is updated regularly.

What is Se?

Se has active ingredients of selenium. eHealthMe is studying from 5,604 Se users. Check the latest studies of Se.

What is Msm?

Msm has active ingredients of methylsulfonylmethane. It is often used in joint pain. eHealthMe is studying from 1,210 Msm users. Check the latest studies of Msm.

On Jul, 09, 2026

37 people who take Se and Msm together, and have interactions are studied.

What are the common drug interactions of Se and Msm, by gender? *:

female:

Uterine haemorrhage (uterine bleeding)
Weight decreased
White blood cell count decreased
Weight increased
Complex regional pain syndrome (long lasting pain condition most often affecting one of the limbs (arms, legs, hands, or feet))
Initial insomnia (feeling of inadequate or poor-quality sleep)
Anaemia (lack of blood)
Fatigue (feeling of tiredness)
Gastric ulcer haemorrhage (bleeding ulcer of stomach)
Gastrointestinal disorder (functional problems of gastrointestinal tract)

male:

Vision blurred
Body height decreased
Blood pressure increased
Cataract (clouding of the lens inside the eye)
Chest discomfort
Death
Diabetes mellitus (diabetes, caused by a deficiency of the pancreatic hormone insulin)
Diarrhoea
Dry eye (lack of adequate tears)
Dry mouth

What are the common drug interactions of Se and Msm, 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:

Weight increased
Polycythaemia vera (blood disorder in which the bone marrow makes too many red blood cells)
Uterine haemorrhage (uterine bleeding)

50-59:

Anxiety
Bone pain
Burning sensation
Contrast media reaction (reaction associated with the use of intravenous contrast material during radiology)
Cystitis (inflammation of the wall of the bladder)
Depression
Drug screen positive
Eye disorder
Gastrointestinal disorder (functional problems of gastrointestinal tract)
Insomnia (sleeplessness)

60+:

Vision blurred
Body height decreased
Bladder disorder
Blepharospasm (any abnormal contraction or twitch of the eyelid)
Blood albumin decreased
Blood creatinine decreased
Blood pressure increased
Cataract (clouding of the lens inside the eye)
Chest discomfort
Death

What are the existing conditions these people have? *

Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 7 people, 18.92%
Fibromyalgia (a long-term condition which causes pain all over the body): 3 people, 8.11%
Sleep Disorder: 2 people, 5.41%
Pulmonary Embolism (blockage of the main artery of the lung): 2 people, 5.41%
Pain: 2 people, 5.41%
Neuralgia (pain in one or more nerves): 2 people, 5.41%
Hypothyroidism (abnormally low activity of the thyroid gland, resulting in retardation of growth and mental development): 2 people, 5.41%
Bronchitis (inflammation of the mucous membrane in the bronchial tubes): 2 people, 5.41%
Attention Deficit Hyperactivity Disorder (a chronic condition including attention difficulty, hyperactivity, and impulsiveness): 2 people, 5.41%

* Approximation only. Some reports may have incomplete information.

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