Ritalin and Stelara drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Ritalin (methylphenidate hydrochloride) and Stelara (ustekinumab). Common drug interactions include impaired gastric emptying among females and migraine among males.

The phase IV clinical study analyzes what interactions people have when they take Ritalin and Stelara. It is created by eHealthMe based on reports of 18 people who take the same drugs from the FDA, and is updated regularly.

What is Ritalin?

Ritalin has active ingredients of methylphenidate hydrochloride. It is often used in attention deficit hyperactivity disorder. eHealthMe is studying from 29,427 Ritalin users. Check the latest studies of Ritalin.

What is Stelara?

Stelara has active ingredients of ustekinumab. It is often used in psoriasis. eHealthMe is studying from 96,053 Stelara users. Check the latest studies of Stelara.

On Aug, 02, 2026

18 people who take Ritalin and Stelara together, and have interactions are studied.

What are the common drug interactions of Ritalin and Stelara, by gender? *:

female:

Impaired gastric emptying
Drug ineffective
Sleep apnoea syndrome (a sleep-related disorder in which the effort to breathe is diminished or absent)
Somnolence (a state of near-sleep, a strong desire for sleep)
Spinal fusion surgery
Acne (skin problems that cause pimples)
Arthralgia (joint pain)
Diarrhoea
Nasopharyngitis (inflammation of the nasopharynx)

male:

Migraine (headache)
Asthma
Infusion related reaction
Cardiovascular disorder (heart diseases)
Fatigue (feeling of tiredness)
Headache (pain in head)
Myelodysplastic syndrome (a group of conditions that occur when the blood-forming cells in the bone marrow are damaged)
Oropharyngeal pain
Herpes zoster
Weight increased

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

n/a

30-39:

Spinal fusion surgery
Acne (skin problems that cause pimples)

40-49:

n/a

50-59:

Arthralgia (joint pain)
Blood thyroid stimulating hormone decreased
Diarrhoea
Infusion related reaction

60+:

Herpes zoster
Weight increased

What are the existing conditions these people have? *

Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 5 people, 27.78%
Cataplexy (loss of muscle tone accompanied by full conscious awareness): 4 people, 22.22%
Psoriatic Arthropathy (inflammation of the skin and joints with kin condition which typically causes patches (plaques) of red, scaly skin to develop): 2 people, 11.11%
Crohn's Disease (a condition that causes inflammation of the gastrointestinal tract): 2 people, 11.11%
Sinus Tachycardia (a heart rhythm with elevated rate of impulses originating from the sinoatrial node): 1 person, 5.56%
Cardiac Disorder: 1 person, 5.56%

* Approximation only. Some reports may have incomplete information.

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