Sir,I Am Male,38 Yes Age.For The Last 3 Months,my Wife

Sir,I am male,38 yes age.For the last 3 months,my wife and me usually have infection after sex,though we use condoms.Yes I rubbed my penis on her genitals before intercourse.My penis has reddish spots and itching after this sex.I got afraid,two days back when I made sex with my girlfriend,she told me that she for the first time also felt infection in her vagina after doing sex with me.Pls advice me.