Approach to hematuria

A 63-year-old male presents with painless gross hematuria persisting throughout urination. He is a smoker and has worked in a paint factory for 20 years. What should be the initial step in managing his condition?

1: Treat with antibiotics and reassess in 6 weeks.
2: Refer to nephrology.
3: Conduct a urological evaluation including cystoscopy and imaging.
4: Advise hydration and monitor symptoms.