Hai..I'm 21 Years Old...I Had Sex With My Husband Continuesly

hai..I'm 21 years old...I had sex with my husband continuesly 3days....after the sex I went to urine I notes urine smell is very bad.... also get painfull urination...frequently urination compared to before sex.. now the smell is coming...any problem in my bladder...plz tell me...what to do????any natural solutions are there..plz tell me..help me....