Lemtrada and Cimetidine drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Lemtrada (alemtuzumab) and Cimetidine (cimetidine). Common drug interactions include pyrexia among females and abdominal pain upper among males.

The phase IV clinical study analyzes what interactions people have when they take Lemtrada and Cimetidine. It is created by eHealthMe based on reports of 32 people who take the same drugs from the FDA, and is updated regularly.

What is Lemtrada?

Lemtrada has active ingredients of alemtuzumab. eHealthMe is studying from 8,317 Lemtrada users. Check the latest studies of Lemtrada.

What is Cimetidine?

Cimetidine has active ingredients of cimetidine. It is often used in gastroesophageal reflux disease. eHealthMe is studying from 10,531 Cimetidine users. Check the latest studies of Cimetidine.

On Jul, 11, 2026

32 people who take Lemtrada and Cimetidine together, and have interactions are studied.

Lemtrada and Cimetidine drug interactions.

What are the common drug interactions of Lemtrada and Cimetidine, by gender? *:

female:

Pyrexia (fever)
Skin discolouration (change of skin colour)
White blood cells urine positive
Alopecia (absence of hair from areas of the body)
Arthralgia (joint pain)
Blood iron decreased
Cough
Drug ineffective
Lethargy (tiredness)
Maternal exposure during pregnancy (use of substance during pregnancy)

male:

Abdominal pain upper
Abdominal pain
Dyspnoea (difficult or laboured respiration)
Gamma-glutamyltransferase increased
Leukopenia (less number of white blood cells in blood)
Chills (felling of cold)
Cough
Dizziness postural
Drug ineffective
Fatigue (feeling of tiredness)

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

Chest discomfort
Headache (pain in head)
Insomnia (sleeplessness)
Lymphocyte count decreased
Neutrophil count decreased (less than normal number of neutrophil a type of blood cell)
Pruritus (severe itching of the skin)
Urine ketone body present
Urticaria (rash of round, red welts on the skin that itch intensely)
White blood cell count decreased
Abdominal pain

30-39:

White blood cells urine positive
Dizziness
Blood iron decreased
Bradycardia (abnormally slow heart action)
Diarrhoea
Lethargy (tiredness)
Maternal exposure during pregnancy (use of substance during pregnancy)
Mean cell haemoglobin concentration increased (more concentration of haemoglobin in a given volume of packed red blood cells)
Mean cell haemoglobin increased (more than normal haemoglobin per red blood cell in a sample of blood)
Mean cell volume increased (more than normal average red blood cell volume)

40-49:

White blood cell count decreased
Lymphocyte count decreased
Gamma-glutamyltransferase increased
Haemoglobin decreased
Neutrophil count decreased (less than normal number of neutrophil a type of blood cell)
Pruritus (severe itching of the skin)
Blood urine present
Bradycardia (abnormally slow heart action)
Heart rate increased
Hypertension (high blood pressure)

50-59:

n/a

60+:

n/a

What are the existing conditions these people have? *

Relapsing-Remitting Multiple Sclerosis (reoccurrence of an inflammatory disease in which the insulating covers of nerve cells in the brain and spinal cord are damaged): 30 people, 93.75%
Muscle Spasms (muscle contraction): 5 people, 15.62%
Pain: 2 people, 6.25%
Neuralgia (pain in one or more nerves): 2 people, 6.25%
Infusion Related Reaction: 2 people, 6.25%
Indigestion: 2 people, 6.25%
Birth Control: 2 people, 6.25%
Asthma: 2 people, 6.25%

* Approximation only. Some reports may have incomplete information.

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