You may be having infection
in urine do
1.Pass urine whenever you feel a desire, empty bladder completely.
2.Wipe from front to back after toilet
3.Take lots of water so as to have clear urine
4.Do not use any spray, scented bath products
6.Clean genitals before sex and pass urine after sex to flush out any bacteria
7.Keep genital area dry- wear cotton, loose under garments, avoid tight clothes like jeans medicine can not be advised for open question for medicine contact on private chat.