Which bodily fluids may show discoloration due to rifampin?

Rifampin is an antibiotic that is commonly used to treat infections such as tuberculosis. One notable side effect of rifampin is its ability to cause discoloration of various bodily fluids. This discoloration is primarily due to the drug itself and its metabolites, which are excreted in various bodily fluids.

The correct answer encompasses all bodily fluids, including urine, tears, sweat, saliva, and even sputum. When rifampin is administered, it can lead to a reddish-orange hue in these fluids, which is a pharmacological effect and is not harmful. This is essential for patients to understand, as it can help alleviate concern if they notice such changes in their urine, tears, saliva, or other secretions while undergoing treatment.

Other answers would limit the scope of this discoloration to just one type of fluid, which does not reflect the comprehensive effect rifampin has on the body. Educating patients about the potential for these changes in multiple bodily fluids promotes adherence to the treatment and enhances patient awareness of the medication's side effects.