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The symptoms of your partner suggest possibility that you are having vaginal infection. Bladder and yeast infections can recur if not treated properly. You should consider getting back to your doctor/gynecologist for examination, urine tests, vaginal smear tests to identify the causative agent. Get started on treatment as indicated by your test results. Get your partner also treated simultaneously to avoid chances of re-infection. Avoid having intercourse while being on treatment course.
If you intend to remain sexually active and are not pregnant at the moment, you can discuss about getting started on regular birth control to avoid risk of pregnancy.
Take care.