Jaundice, dark urine, or right upper quadrant pain may signal hepatotoxicity and must be reported.
Before you read
Test yourself first: 4 questions
Question 1 of 4
A nurse is teaching a client who is starting rifampin as part of a tuberculosis regimen. Which statement by the client indicates correct understanding of an expected effect?
Answer: A. Rifampin causes a harmless orange-red discoloration of body fluids, including urine, sweat, tears, and saliva, and can permanently stain soft contact lenses. This is expected and not a reason to stop therapy. Hearing loss, blue gums, and weight gain are not characteristic effects of rifampin.
Question 2 of 4
A client taking rifampin for tuberculosis reports that the urine has turned a reddish-orange color. Which response by the nurse is most appropriate?
Answer: A. Rifampin harmlessly turns body fluids (urine, sweat, tears, saliva) a reddish-orange color; this is an expected effect and not a cause for alarm. It can permanently stain soft contact lenses. The nurse should reassure the client rather than stop the drug, withhold fluids, or treat it as bleeding.
Question 3 of 4
A client on rifampin for tuberculosis should be told that the drug commonly causes:
Answer: B. Rifampin turns body fluids (urine, sweat, tears) red-orange — harmless but expected; it can stain soft contact lenses. Teach adherence and report signs of hepatotoxicity.
Question 4 of 4
Close household contacts of a child diagnosed with meningococcal meningitis require which intervention?
Answer: B. Close contacts of a child with meningococcal disease should receive antibiotic chemoprophylaxis (such as rifampin, ciprofloxacin, or ceftriaxone) to prevent secondary cases. Prompt prophylaxis is a public health priority.
Keep the streak going with more questions like these, each with a full rationale.
What is rifampin?
Its hallmark is harmless red-orange discoloration of all body fluids and strong induction of liver enzymes that reduces the effectiveness of many drugs. The key principle is warning the patient about orange secretions and reduced oral contraceptive effectiveness.
Key points to remember
- Rifampin is bactericidal against M. tuberculosis and is always used with other anti-TB drugs to prevent resistance.
- It turns urine, sweat, tears, and saliva a harmless red-orange color and can permanently stain soft contact lenses.
- It is a potent CYP450 inducer that lowers the effectiveness of oral contraceptives, warfarin, and many other drugs.
- It can cause hepatotoxicity, so liver function is monitored.
- It is taken on an empty stomach for best absorption.
- Adherence to the full multidrug course is essential to prevent drug-resistant TB.
Nursing priorities
- Teach the patient that orange-red body fluids are expected and harmless.
- Advise the patient to use an additional non-hormonal birth control method.
- Monitor liver function and assess for signs of hepatotoxicity.
- Review the medication list for drugs whose levels rifampin lowers.
- Reinforce strict adherence for the entire prescribed course.
Labs & values
Patient teaching
- Your urine, sweat, tears, and saliva will turn orange-red, which is normal and not dangerous.
- Do not wear soft contact lenses because they can be permanently stained.
- Use a backup form of birth control since this drug reduces the effectiveness of the pill.
- Take on an empty stomach, avoid alcohol, and report yellow skin or eyes and dark urine.
Red flags: report now
- Jaundice, dark urine, or right upper quadrant pain may signal hepatotoxicity and must be reported.
- Avoid alcohol because it raises the risk of liver injury.
- Unexplained bruising or bleeding may indicate reduced warfarin effect or thrombocytopenia and should be reported.
References
Clinical references for this topic
