Arzerra and Acetaminophen drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Arzerra (ofatumumab) and Acetaminophen (acetaminophen). Common drug interactions include feeling cold among females and pruritus among males.

The phase IV clinical study analyzes what interactions people have when they take Arzerra and Acetaminophen. It is created by eHealthMe based on reports of 34 people who take the same drugs from the FDA, and is updated regularly.

What is Arzerra?

Arzerra has active ingredients of ofatumumab. eHealthMe is studying from 1,042 Arzerra users. Check the latest studies of Arzerra.

What is Acetaminophen?

Acetaminophen has active ingredients of acetaminophen. It is often used in pain. eHealthMe is studying from 183,077 Acetaminophen users. Check the latest studies of Acetaminophen.

On Jul, 06, 2026

34 people who take Arzerra and Acetaminophen together, and have interactions are studied.

Arzerra and Acetaminophen drug interactions.

What are the common drug interactions of Arzerra and Acetaminophen, by gender? *:

female:

Feeling cold
Feeling hot
Flushing (the warm, red condition of human skin)
Gait disturbance
Hypoaesthesia (reduced sense of touch or sensation)
Hypotension (abnormally low blood pressure)
Loss of consciousness
Nausea (feeling of having an urge to vomit)
Paraesthesia (sensation of tingling, tickling, prickling, pricking, or burning of a person's skin with no apparent long-term physical effect)
Pneumonia

male:

Pruritus (severe itching of the skin)
Abnormal behaviour
Progressive multifocal leukoencephalopathy (rapidly progressive neuromuscular disease caused by opportunistic infection of brain cells)
Subdural haematoma (blood collects between the skull and the surface of the brain)
Visual field defect
White blood cell count decreased
Inflammation
Pneumonia
Hypoxia (low oxygen in tissues)
Infusion site extravasation (flow of (blood or lymph) from infusion site)

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

0-1:

n/a

2-9:

Arrhythmia (irregular heartbeat)
Atrioventricular block second degree (heart block second degree)
Blood calcium decreased
Hypokalaemia (low potassium)
Hypothermia (body temperature drops below the required temperature for normal metabolism and body functions)
Bradycardia (abnormally slow heart action)
Electrocardiogram qt prolonged
Heart rate decreased

10-19:

n/a

20-29:

n/a

30-39:

n/a

40-49:

n/a

50-59:

Inflammation
Pruritus (severe itching of the skin)
Fatigue (feeling of tiredness)
Neuropathy peripheral (surface nerve damage)
Oedema peripheral (superficial swelling)
Peripheral sensory neuropathy (damage to one or more of your peripheral nerves)
Bone pain
Dizziness
Dyspnoea (difficult or laboured respiration)
Flushing (the warm, red condition of human skin)

60+:

Pyrexia (fever)
Abnormal behaviour
Poverty of speech
Progressive multifocal leukoencephalopathy (rapidly progressive neuromuscular disease caused by opportunistic infection of brain cells)
Subdural haematoma (blood collects between the skull and the surface of the brain)
Visual field defect
White blood cell count decreased
Pneumonia
Infusion site extravasation (flow of (blood or lymph) from infusion site)
Oxygen saturation decreased

What are the existing conditions these people have? *

Chronic Lymphocytic Leukaemia (cancer in which the bone marrow makes too many lymphocytes (a type of white blood cell)): 22 people, 64.71%

* Approximation only. Some reports may have incomplete information.

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