Thanks for your query.You have passed blood through urethra and again with urine next day.This is most likely to be due to severe infection of the bladder a called as Cystitis
.Please get your routine Urine examination and Ultrasound
scanning done as rightly suggested by your family Doctor,This will help in to Diagnose the cause of your symptoms.Take some antibiotics like Ciprofloxacin
and Urinary antiseptics like Nitrofurantoin
after consulting your family Physician.and ensure that you drink plenty of water at least 6 -7 liters in a day.