MSD Manual

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Rifamycins

Rifamycins

Drugs

Common Uses

Some Side Effects

Rifampin

Rifabutin

Rifapentine

For rifampin: Leprosy

Rash

Liver dysfunction

Gastrointestinal upset

Red-orange saliva, sweat, tears, and urine

Interactions with many drugs, often requiring changes in the dose

Rifaximin

Nausea, vomiting, abdominal pain, and flatulence