Vaginal burning sensation before n after i urinate it takes 20mins to go away have a discharge it doesn't seem abnormal is milky no itching no odor?

Infection?: Feeling like you need to urinate frequently a small amount and pain when you urinate can be signes of a bladder infection. You may may need antibiotics. Its simple to find out. Get a urinalysis. In the mean-time, drinking cranberry juice, lots of water and taking over-the-counter Azo may help. There are other possible causes but a bladder infection is the most common.