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What is the appropriate treatment?
Well, from the symptoms you have mentioned, it seems that you have in the genitourinanry tract (UTI). This infection is mostly caused by bacterial infection, so the treatment should be an antibiotic such as Nitrofurantoin 100mg (extended-release capsules) twice a day for 7 days or Cephalexin 500 mg twice a day for 5-7 days can also be given. Moreover, it's recommended to drink plenty of water if it is confirmed that there is no blockage in the urinary tract, and reduce the salt intake. Furthermor, Uroclean can also be used to clean the tracts.

Diagnosis:
Clinical examination at the urology clinic. Complete blood count to detect infections. Urine analysis and also urine culture to detect the type of bacteria causing the infection. 

Symptoms of UTI :

• Frequent urination
• Burning urination
• Change in the colour of urine
• Change in the smell of urine
• Blood in urine

Recommendation:
It's recommended to follow the above mentioned advices amd recommendations.