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

Summary:

Drug interactions are reported among people who take Ritalin (methylphenidate hydrochloride) and Lactase (lactase). Common drug interactions include panic attack among females and sinusitis among males.

The phase IV clinical study analyzes what interactions people have when they take Ritalin and Lactase. It is created by eHealthMe based on reports of 29 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 Lactase?

Lactase has active ingredients of lactase. It is often used in lactose intolerance. eHealthMe is studying from 948 Lactase users. Check the latest studies of Lactase.

On Jul, 11, 2026

29 people who take Ritalin and Lactase together, and have interactions are studied.

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

female:

Panic attack
Post-traumatic stress disorder
Nausea (feeling of having an urge to vomit)
Somnolence (a state of near-sleep, a strong desire for sleep)
Abdominal discomfort
Affect lability (emotional incontinence)
Anger
Anxiety
Constipation
Dissociation

male:

Sinusitis (inflammation of sinus)
Abdominal pain upper
Eyeball avulsion (eyeball injury(eyeball away from the main mass of bone))
Fatigue (feeling of tiredness)
Headache (pain in head)
Malaise (a feeling of general discomfort or uneasiness)
Medical device pain (pain due to medical device)
Memory impairment
Migraine (headache)
Paraesthesia (sensation of tingling, tickling, prickling, pricking, or burning of a person's skin with no apparent long-term physical effect)

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

Arthralgia (joint pain)
Malaise (a feeling of general discomfort or uneasiness)

30-39:

n/a

40-49:

Pneumonia

50-59:

Diarrhoea
Pain in extremity
Fatigue (feeling of tiredness)
Flank pain (a distressing sensation experienced around the lower back and the upper abdomen)
Flushing (the warm, red condition of human skin)
Hernia obstructive (obstruction in the bowel; interrupt the blood supply to the herniated tissue)
Intestinal ischaemia (decreased supply of oxygenated blood to the intestines)
Intestinal obstruction
Movement disorder (neurological syndromes where they may be excess of movement or a paucity of movement that is not connected to weakness)
Muscular weakness (muscle weakness)

60+:

n/a

What are the existing conditions these people have? *

Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 22 people, 75.86%
Cataplexy (loss of muscle tone accompanied by full conscious awareness): 9 people, 31.03%
Nausea (feeling of having an urge to vomit): 8 people, 27.59%
Headache (pain in head): 7 people, 24.14%
Multiple Myeloma (cancer of the plasma cells): 3 people, 10.34%
Stress And Anxiety: 2 people, 6.90%
Panic Disorder: 2 people, 6.90%
Nightmares (unpleasant dreams): 2 people, 6.90%
Hypersensitivity: 2 people, 6.90%
Drowsiness: 2 people, 6.90%

* Approximation only. Some reports may have incomplete information.

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