Burning urine sensation. On toungue.

Hi i m 34 yrs male and having following issues burning sensation like fire below penis to anus area, frequent urge to urinate and lower back pain. Recently diagnosed with ecoli bacteria in semen culture after which doctor prescribed amikacin injection 500 mg x 5 days and 2 weeks of bacstol 200 out of which injection course and 10 days of bacstol completed. But only urine stream improve rest all symptoms persist problem since last 90 days consult various urologist. Urine culture and routine normal, usg kub normal, xray kub normal, hba1c 5.4, uroflowmetry normal, kft normal. Please advise. Medicine already taken alfoo, mirabig, mira s, roliten, modula, urispas, nucoxia and homeopathy Sabal serrulata Q + Hydrangea Q + Benzoic acid Q - 8 drops each 2 times from last 5 days Cantharis 30 - 2 drop direct on toungue.