Lys and Ibrance drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Lys (lysine) and Ibrance (palbociclib). Common drug interactions include white blood cell count decreased among females and fatigue among males.

The phase IV clinical study analyzes what interactions people have when they take Lys and Ibrance. It is created by eHealthMe based on reports of 80 people who take the same drugs from the FDA, and is updated regularly.

What is Lys?

Lys has active ingredients of lysine. eHealthMe is studying from 16,532 Lys users. Check the latest studies of Lys.

What is Ibrance?

Ibrance has active ingredients of palbociclib. eHealthMe is studying from 104,434 Ibrance users. Check the latest studies of Ibrance.

On Jul, 10, 2026

80 people who take Lys and Ibrance together, and have interactions are studied.

What are the common drug interactions of Lys and Ibrance, by gender? *:

female:

White blood cell count decreased
Headache (pain in head)
Stomatitis (inflammation of mucous membrane of mouth)
Constipation
Dizziness
Nausea (feeling of having an urge to vomit)
Neuropathy peripheral (surface nerve damage)
Hot flush (sudden feelings of heat)
Vision blurred
Memory impairment

male:

Fatigue (feeling of tiredness)
Gastrointestinal disorder (functional problems of gastrointestinal tract)
Nerve compression
Neuropathy peripheral (surface nerve damage)
Neutrophil count decreased (less than normal number of neutrophil a type of blood cell)
Oropharyngeal pain
Pain in extremity
Sciatic nerve injury

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

n/a

30-39:

Fatigue (feeling of tiredness)
Nasopharyngitis (inflammation of the nasopharynx)
Stomatitis (inflammation of mucous membrane of mouth)
Aphthous ulcer (mouth ulcer)
Arthralgia (joint pain)
Hot flush (sudden feelings of heat)
Night sweats (sweating in night)
White blood cell count decreased
Full blood count decreased

40-49:

Dyspnoea (difficult or laboured respiration)
Alopecia (absence of hair from areas of the body)
Contusion (a type of hematoma of tissue in which capillaries)
Crying
Dizziness
Full blood count decreased
Heart rate increased
Heart rate irregular
Hot flush (sudden feelings of heat)
Hypertension (high blood pressure)

50-59:

Diarrhoea
Dry skin
Dyspnoea (difficult or laboured respiration)
Flatulence (flatus expelled through the anus)
Frequent bowel movements
Lung infiltration (a substance that normally includes fluid, inflammatory exudates or cells that fill a region of lung)
Pneumonia
Bell's palsy (facial paralysis)
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)
Lymphoedema (localized fluid retention and tissue swelling)

60+:

Fatigue (feeling of tiredness)
Alopecia (absence of hair from areas of the body)
Memory impairment
Hot flush (sudden feelings of heat)
Insomnia (sleeplessness)
Amnesia (deficit in memory caused by brain damage, disease, or psychological trauma)
Decreased appetite
Dysgeusia (disorder of the sense of taste)
Head discomfort
Oral candidiasis (fungal infection of mouth)

What are the existing conditions these people have? *

Breast Cancer Female: 29 people, 36.25%
Breast Cancer: 19 people, 23.75%
Breast Cancer Metastatic: 12 people, 15.00%

* Approximation only. Some reports may have incomplete information.

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