system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
A 65-year-old male patient complains of loss of libido and is found to have a low free and total testosterone level. Treatment is commenced with testosterone supplemental therapy. What is the next step in management after testosterone administration?
assistant
The correct answer is  PSA levels can increase because both benign and malignant prostatic tissue are sensitive to testosterone (hormonal) therapy. There is increased prostatic growth with elevation of PSA and possible polycythemia.