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

Summary:

Drug interactions are reported among people who take Focalin xr (dexmethylphenidate hydrochloride) and Ritalin (methylphenidate hydrochloride). Common drug interactions include initial insomnia among females and drug ineffective among males.

The phase IV clinical study analyzes what interactions people have when they take Focalin xr and Ritalin. It is created by eHealthMe based on reports of 64 people who take the same drugs from the FDA, and is updated regularly.

What is Focalin xr?

Focalin xr has active ingredients of dexmethylphenidate hydrochloride. It is often used in attention deficit hyperactivity disorder. eHealthMe is studying from 2,159 Focalin xr users. Check the latest studies of Focalin xr.

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.

On Jul, 20, 2026

64 people who take Focalin xr and Ritalin together, and have interactions are studied.

Focalin xr and Ritalin drug interactions.

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

female:

Initial insomnia (feeling of inadequate or poor-quality sleep)
Swelling
Anxiety
Blood cholesterol increased
Chest pain
Cholecystitis (infection of gallbladder)
Decreased appetite
Depressed mood
Dyspnoea (difficult or laboured respiration)
Eating disorder

male:

Drug ineffective
Nausea (feeling of having an urge to vomit)
Pain in extremity
Rash papular (redness with papule)
Thirst
Headache (pain in head)
Anxiety
Somnolence (a state of near-sleep, a strong desire for sleep)
Erection increased
Migraine (headache)

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

0-1:

Paraesthesia (sensation of tingling, tickling, prickling, pricking, or burning of a person's skin with no apparent long-term physical effect)

2-9:

Drug ineffective
Aggression
Anxiety
Appendicitis (inflammation of the appendix)
Diplopia (double vision)
Distractibility (inability to sustain one's attention)
Dry mouth
Dyskinesia (abnormality or impairment of voluntary movement)
Dysuria (painful or difficult urination)
Headache (pain in head)

10-19:

Pain
Fatigue (feeling of tiredness)
Gait disturbance
Nausea (feeling of having an urge to vomit)
Arthralgia (joint pain)
Back pain
Movement disorder (neurological syndromes where they may be excess of movement or a paucity of movement that is not connected to weakness)
Myalgia (muscle pain)
Neck pain
Pain in extremity

20-29:

Priapism (prolonged and painful erection that can last from several hours up to a few days)
Drug ineffective
Swelling
Anxiety
Cerebral infarction (less blood supply to brain resulting tissue damage)
Cerebrovascular accident (sudden death of some brain cells due to lack of oxygen when the blood flow to the brain is impaired by blockage or rupture)
Drug intolerance (drug sensitivity)
Gastrointestinal haemorrhage (bleeding gastrointestinal tract)
Headache (pain in head)
Hemiplegia (paralysis of one side of the body)

30-39:

Anger
Irritability
Suicidal ideation

40-49:

Convulsion (muscles contract and relax rapidly and repeatedly, resulting in an uncontrolled shaking of the body)
Systemic lupus erythematosus (an autoimmune disease, which means the body's immune system mistakenly, attacks healthy tissue)
Lower limb fracture
Restlessness (not able to rest)
Serotonin syndrome (occurs when two drugs that affect the body's level of serotonin are taken together at the same time)

50-59:

n/a

60+:

n/a

What are the existing conditions these people have? *

Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 10 people, 15.62%
Hypersensitivity: 5 people, 7.81%
Cataplexy (loss of muscle tone accompanied by full conscious awareness): 5 people, 7.81%
Asthma: 4 people, 6.25%

* Approximation only. Some reports may have incomplete information.

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