• Male
• 60 Years
• 16/09/2025

My father is 60 years old and he was diagnosed with low grade non muscle invasive bladder cancer 2 years ago. He was treated with mitomycin 40 for 6 weeks and since then there has been no recurrence. Initially he had checkups every 3 months for 1 year, then every 6 months, and now he has been advised to come for follow up once a year. Each time the doctor asked us to bring a serum creatinine test report before cystoscopy. During his last checkup his creatinine was 1.31 mg per dl but there was no recurrence of the tumor. Since then I have put him on a low salt diet and ensured he stays hydrated. Today, we tested his blood again and the results are creatinine 1.16 mg per dl, serum urea 24 mg per dl, potassium 3.9 mEq per l, sodium 133, and hemoglobin 13.6. Should we be worried and what should be our next step?