Norco and Cysteine drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Norco (acetaminophen; hydrocodone bitartrate) and Cysteine (n - acetyl cysteine). Common drug interactions include alopecia among females and constipation among males.

The phase IV clinical study analyzes what interactions people have when they take Norco and Cysteine. It is created by eHealthMe based on reports of 28 people who take the same drugs from the FDA, and is updated regularly.

What is Norco?

Norco has active ingredients of acetaminophen; hydrocodone bitartrate. It is often used in pain. eHealthMe is studying from 74,062 Norco users. Check the latest studies of Norco.

What is Cysteine?

Cysteine has active ingredients of n - acetyl cysteine. eHealthMe is studying from 1,755 Cysteine users. Check the latest studies of Cysteine.

On Feb, 02, 2026

28 people who take Norco and Cysteine together, and have interactions are studied.

What are the common drug interactions of Norco and Cysteine, by gender? *:

female:

Alopecia (absence of hair from areas of the body)
Inflammation
Myocarditis (inflammation of heart muscle myocardium)
Sinusitis (inflammation of sinus)
Tooth disorder (tooth disease)
Abdominal distension
Blood pressure fluctuation
Diabetes mellitus (diabetes, caused by a deficiency of the pancreatic hormone insulin)
Euphoric mood (excessively happy but may become angry or irritable)
Fatigue (feeling of tiredness)

male:

Constipation
Haemorrhoids (a swollen vein or group of veins in the region of the anus)
Atrophy (wasting away of a part of the body)
Bone disorder
Bone pain
Calcium deficiency (lack of calcium)
Carpal tunnel syndrome (nerve compression at wrist results numbness weakness, pain , swelling)
Cervical spinal stenosis (narrowing of the spinal canal in the neck)
Cervical vertebral fracture
Cytomegalovirus test positive

What are the common drug interactions of Norco and Cysteine, 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:

Abdominal distension
Euphoric mood (excessively happy but may become angry or irritable)
Fatigue (feeling of tiredness)
Therapeutic response decreased (less preventive response)
Tooth disorder (tooth disease)
Weight fluctuation
Actinomycosis (infection that causes sores, or abscesses)
Dry eye (lack of adequate tears)
Malaise (a feeling of general discomfort or uneasiness)
Palpitations (feelings or sensations that your heart is pounding or racing)

50-59:

Alopecia (absence of hair from areas of the body)
Inflammation
Myocarditis (inflammation of heart muscle myocardium)
Sinusitis (inflammation of sinus)
Blood pressure fluctuation
Diabetes mellitus (diabetes, caused by a deficiency of the pancreatic hormone insulin)
Sedation
Blood pressure increased
Hospitalisation

60+:

Abasia (inability to walk)
Acute graft versus host disease in skin (acute complication on skin following an allogeneic tissue/blood transplant)
Calcium deficiency (lack of calcium)
Carpal tunnel syndrome (nerve compression at wrist results numbness weakness, pain , swelling)
Cervical spinal stenosis (narrowing of the spinal canal in the neck)
Cervical vertebral fracture
Cytomegalovirus test positive
Intervertebral disc degeneration (spinal disc degeneration)
Intervertebral disc protrusion (spinal disc protrusion)
Lumbar spinal stenosis (a medical condition in which the spinal canal narrows and compresses the spinal cord and nerves at the level of the lumbar bone)

What are the existing conditions these people have? *

Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 18 people, 64.29%
Cataplexy (loss of muscle tone accompanied by full conscious awareness): 7 people, 25.00%
Lung Cancer - Non-Small Cell (lung cancer): 3 people, 10.71%
Prostate Cancer: 2 people, 7.14%

* Approximation only. Some reports may have incomplete information.

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