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

Summary:

Drug interactions are reported among people who take Ritonavir (ritonavir) and Pegasys (peginterferon alfa 2a). Common drug interactions include fatigue among females and anaemia among males.

The phase IV clinical study analyzes what interactions people have when they take Ritonavir and Pegasys. It is created by eHealthMe based on reports of 57 people who take the same drugs from the FDA, and is updated regularly.

What is Ritonavir?

Ritonavir has active ingredients of ritonavir. eHealthMe is studying from 13,036 Ritonavir users. Check the latest studies of Ritonavir.

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 Jul, 12, 2026

57 people who take Ritonavir and Pegasys together, and have interactions are studied.

Ritonavir and Pegasys drug interactions.

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

female:

Fatigue (feeling of tiredness)
Vomiting
Drug intolerance (drug sensitivity)
Drug resistance (reduction in effectiveness of a drug)
Hepatic cirrhosis (chronic liver disease characterized by replacement of liver tissue by fibrosis, scar tissue)
Hypertension (high blood pressure)
Nausea (feeling of having an urge to vomit)
Anaemia (lack of blood)
Asthma
Hypoaesthesia (reduced sense of touch or sensation)

male:

Anaemia (lack of blood)
Fatigue (feeling of tiredness)
Influenza like illness
Nausea (feeling of having an urge to vomit)
Oral herpes (viral infection of mouth)
Restlessness (not able to rest)
Skin irritation
Vertigo
Withdrawal syndrome (a discontinuation syndrome is a set of symptoms occurred due to discontinuation of substance)
Sinusitis (inflammation of sinus)

What are the common drug interactions of Ritonavir 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:

Alanine aminotransferase increased
Anaemia (lack of blood)
Depressed mood
Dizziness
Drug dependence
Dry skin
Fatigue (feeling of tiredness)
Headache (pain in head)
Impaired healing
Influenza like illness

40-49:

Fatigue (feeling of tiredness)
Drug intolerance (drug sensitivity)
Drug resistance (reduction in effectiveness of a drug)
Hepatic cirrhosis (chronic liver disease characterized by replacement of liver tissue by fibrosis, scar tissue)
Hypertension (high blood pressure)
Nausea (feeling of having an urge to vomit)
Vomiting
Nasal septum deviation (deviated nasal septum)
Pyrexia (fever)
Ecthyma (an ulcerative pyoderma of the skin, caused by group a beta haemolytic streptococci)

50-59:

Anaemia (lack of blood)
Fatigue (feeling of tiredness)
Pruritus (severe itching of the skin)
Abdominal pain upper
Alopecia (absence of hair from areas of the body)
Anorectal discomfort
Asthenia (weakness)
Chest discomfort
Decreased appetite
Depressed mood

60+:

Blood pressure increased
Body temperature increased
Brain oedema (excess accumulation of fluid in the intracellular or extracellular spaces of the brain)
Coma (state of unconsciousness lasting more than six hours)
Cough
Dyspnoea (difficult or laboured respiration)
Leukopenia (less number of white blood cells in blood)
Rash
Thrombocytopenia (decrease of platelets in blood)
Vomiting

What are the existing conditions these people have? *

Hiv Infection: 28 people, 49.12%

* Approximation only. Some reports may have incomplete information.

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