Peg-intron and Viracept drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Peg-intron (peginterferon alfa-2b) and Viracept (nelfinavir mesylate). Common drug interactions include asthenia among females and headache among males.

The phase IV clinical study analyzes what interactions people have when they take Peg-intron and Viracept. It is created by eHealthMe based on reports of 15 people who take the same drugs from the FDA, and is updated regularly.

What is Peg-intron?

Peg-intron has active ingredients of peginterferon alfa-2b. eHealthMe is studying from 11,142 Peg-intron users. Check the latest studies of Peg-intron.

What is Viracept?

Viracept has active ingredients of nelfinavir mesylate. It is often used in hiv infection. eHealthMe is studying from 6,399 Viracept users. Check the latest studies of Viracept.

On Jul, 11, 2026

15 people who take Peg-intron and Viracept together, and have interactions are studied.

Peg-intron and Viracept drug interactions.

What are the common drug interactions of Peg-Intron and Viracept, by gender? *:

female:

Asthenia (weakness)
Back pain
Blood pressure diastolic increased
Dyspnoea (difficult or laboured respiration)
Haemolytic anaemia (anaemia due to haemolysis)
Hypersensitivity
Musculoskeletal pain (pain affects the bones, muscles, ligaments, tendons, and nerves)
Nausea (feeling of having an urge to vomit)
Neck pain
Pain in extremity

male:

Headache (pain in head)
Neutrophil count decreased (less than normal number of neutrophil a type of blood cell)
Blood cholesterol increased
Blood lactate dehydrogenase increased
Blood lactic acid increased
Blood pressure systolic increased
Chest tightness
Death
Death unexplained
Depressed level of consciousness

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

Anxiety
Blood pressure systolic increased
Chest tightness
Dyspnoea (difficult or laboured respiration)
Fall
Heart rate irregular
Malaise (a feeling of general discomfort or uneasiness)
Mitral valve incompetence (inefficient heart valve)
Panic attack
Supraventricular extrasystoles (premature electrical impulse in the heart, generated above the level of the ventricle)

30-39:

Headache (pain in head)
Neutrophil count decreased (less than normal number of neutrophil a type of blood cell)
Subdural haemorrhage (bleeding between the skull and the surface of the brain)
Vomiting
Abnormal behaviour
Anorexia (eating disorder characterized by immoderate food restriction and irrational fear of gaining weight)
Asthenia (weakness)
Blood amylase increased
Blood bicarbonate decreased
Blood cholesterol increased

40-49:

Haemolytic anaemia (anaemia due to haemolysis)
Blood lactate dehydrogenase increased
Death
Death unexplained
Diabetes mellitus insulin-dependent
Hallucination, auditory (perceiving sounds without auditory stimulus)
Hepatotoxicity (chemical-driven liver damage)
Hyperbilirubinaemia (excess of bilirubin in the blood)
Hypersensitivity
Laboratory test abnormal

50-59:

Asthenia (weakness)
Back pain
Blood pressure diastolic increased
Dyspnoea (difficult or laboured respiration)
Musculoskeletal pain (pain affects the bones, muscles, ligaments, tendons, and nerves)
Nausea (feeling of having an urge to vomit)
Neck pain
Pain in extremity
Palpitations (feelings or sensations that your heart is pounding or racing)
Supraventricular tachycardia (rapid heart rhythm originating at or above the atrioventricular node)

60+:

n/a

What are the existing conditions these people have? *

Hepatitis C: 12 people, 80.00%
Oral Candidiasis (fungal infection of mouth): 1 person, 6.67%
Hiv Test Positive: 1 person, 6.67%

* Approximation only. Some reports may have incomplete information.

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