Rifater and Ondansetron drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Rifater (isoniazid; pyrazinamide; rifampin) and Ondansetron (ondansetron). Common drug interactions include thrombocytopenia among females and mixed liver injury among males.

The phase IV clinical study analyzes what interactions people have when they take Rifater and Ondansetron. It is created by eHealthMe based on reports of 17 people who take the same drugs from the FDA, and is updated regularly.

What is Rifater?

Rifater has active ingredients of isoniazid; pyrazinamide; rifampin. eHealthMe is studying from 1,069 Rifater users. Check the latest studies of Rifater.

What is Ondansetron?

Ondansetron has active ingredients of ondansetron. It is often used in nausea. eHealthMe is studying from 122,738 Ondansetron users. Check the latest studies of Ondansetron.

On Jul, 09, 2026

17 people who take Rifater and Ondansetron together, and have interactions are studied.

Rifater and Ondansetron drug interactions.

What are the common drug interactions of Rifater and Ondansetron, by gender? *:

female:

Thrombocytopenia (decrease of platelets in blood)
Cholestasis (a condition where bile cannot flow from the liver to the duodenum)
Disseminated tuberculosis
Epilepsy (common and diverse set of chronic neurological disorders characterized by seizures)
Haemangioma of skin (noncancerous, abnormally dense collections of dilated small blood vessels that may occur in the skin or internal organs)
Meningitis (inflammation of the protective membranes covering the brain and spinal cord, known collectively as the meninges)
Onychomycosis (fungal infection of the nail)
Pulmonary tuberculosis (lungs tuberculosis)
Rash maculo-papular (red area on the skin that is covered with small confluent bumps)

male:

Mixed liver injury

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

0-1:

n/a

2-9:

n/a

10-19:

Thrombocytopenia (decrease of platelets in blood)

20-29:

Rash maculo-papular (red area on the skin that is covered with small confluent bumps)

30-39:

Cholestasis (a condition where bile cannot flow from the liver to the duodenum)

40-49:

Thrombocytopenia (decrease of platelets in blood)

50-59:

n/a

60+:

Mixed liver injury

What are the existing conditions these people have? *

Tuberculosis (a bacterial infection by mycobacterium tuberculosis): 15 people, 88.24%
Lung Adenocarcinoma Stage Iv (the cancer has spread to other organs of the body, such as the other lung, brain, or liver): 11 people, 64.71%
Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 1 person, 5.88%
Pulmonary Tuberculosis (lungs tuberculosis): 1 person, 5.88%
Nausea And Vomiting: 1 person, 5.88%
Diabetes: 1 person, 5.88%

* Approximation only. Some reports may have incomplete information.

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