###Human: What do sudden frequent urination and flank pain indicate? ###Assistant: Hi. I suggest the following treatment. Please consult your specialist doctor, discuss with him or her and take treatment with consent.  1. Tablet Tamsulosin 0.2 mg. 2. Tablet Tolterodine 2 mg at bed time. 3. Syrup Noculi B6 (Potassium citrate) two tablespoon with half glass water twice daily for seven days. Revert after 15 days to a urologist online.--->