A patient has been taking senna [Senokot] for several days, and the nurse notes that the urine is yellowish-brown. What does the nurse know about this symptom?
A) It indicates that renal failure has occurred.
B) It is caused by dehydration, which is a laxative side effect.
C) It is a sign of toxicity, indicating immediate withdrawal of the drug.
D) It is an expected, harmless effect of senna.

Question

Quizplus · Accepted Answer

Systemic absorption of senna, followed by renal excretion, may impart a harmless yellowish-brown or pink color to the urine. This symptom is not an indication of renal failure, dehydration, or toxicity.

A Patient Has Been Taking Senna [Senokot] for Several Days