Reglan and Pegasys drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Reglan (metoclopramide hydrochloride) and Pegasys (peginterferon alfa 2a). Common drug interactions include dizziness among females and fatigue among males.

The phase IV clinical study analyzes what interactions people have when they take Reglan and Pegasys. 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 Reglan?

Reglan has active ingredients of metoclopramide hydrochloride. It is often used in gastroparesis. eHealthMe is studying from 29,455 Reglan users. Check the latest studies of Reglan.

What is Pegasys?

Pegasys has active ingredients of peginterferon alfa 2a. It is often used in hepatitis c. eHealthMe is studying from 57,446 Pegasys users. Check the latest studies of Pegasys.

On Aug, 07, 2026

34 people who take Reglan and Pegasys together, and have interactions are studied.

What are the common drug interactions of Reglan and Pegasys, by gender? *:

female:

Dizziness
Blood thyroid stimulating hormone increased
Cerebral thrombosis (blood clot in brain)
Dysphagia (a condition in which swallowing is difficult or painful)
Haematocrit decreased
Haemoglobin decreased
Headache (pain in head)
Lethargy (tiredness)
Migraine (headache)
Neuropathy peripheral (surface nerve damage)

male:

Fatigue (feeling of tiredness)
Depression
Headache (pain in head)
Insomnia (sleeplessness)
Memory impairment
Nasopharyngitis (inflammation of the nasopharynx)
Neck pain
White blood cell count decreased
Abnormal behaviour
Anti-erythropoietin antibody positive

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

n/a

30-39:

Cerebral thrombosis (blood clot in brain)
Headache (pain in head)
Migraine (headache)
Vision blurred
Abdominal pain
Blood calcium decreased
Crying
Dehydration (dryness resulting from the removal of water)
Diabetes mellitus (diabetes, caused by a deficiency of the pancreatic hormone insulin)
Dizziness

40-49:

Anaemia (lack of blood)
Blood thyroid stimulating hormone increased
Dysphagia (a condition in which swallowing is difficult or painful)
Lethargy (tiredness)
Pruritus (severe itching of the skin)
Rash
Stomatitis (inflammation of mucous membrane of mouth)
Abdominal distension
Alanine aminotransferase increased
Aspartate aminotransferase increased

50-59:

Leukopenia (less number of white blood cells in blood)
Neutropenia (an abnormally low number of neutrophils)
Pneumonia
Thrombocytopenia (decrease of platelets in blood)
Anti-erythropoietin antibody positive
Aplasia pure red cell (type of anaemia affecting the precursors to red blood cells but not to white blood cells)
Back pain
Injection site swelling
Syncope (loss of consciousness with an inability to maintain postural tone)
White blood cell count decreased

60+:

Pruritus (severe itching of the skin)
Bipolar disorder (mood disorder)
Gait disturbance
Haematocrit decreased
Homicidal ideation (thoughts about human killing another human)
Nasopharyngitis (inflammation of the nasopharynx)
Rash generalised (rash on most of body parts)

What are the existing conditions these people have? *

Sleep Disorder: 7 people, 20.59%
Pain: 5 people, 14.71%
High Blood Pressure: 5 people, 14.71%
Neck Pain: 4 people, 11.76%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 3 people, 8.82%
Depression: 3 people, 8.82%
White Blood Cell Count Decreased: 2 people, 5.88%
Stress And Anxiety: 2 people, 5.88%
Nausea (feeling of having an urge to vomit): 2 people, 5.88%
Indigestion: 2 people, 5.88%

* Approximation only. Some reports may have incomplete information.

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