Hi, thanks for the query to H.C.M.
After three months symptoms return as frequent urination
Causes are many , cystitis
( bladder infection)
Renal stone ( calculus) may be any where in urinary tract
Some infection of kidneys.
Prostatis , urethratitis .
Wilm's tumor ( rare possibility)
Since symptoms returns again and severe than previous so please be careful and get in complete examination from KIDNEY , URETER, BLADDER, URETHRA.
Regards. Dr. HET