Help! Did he cheat?

I’ve been dating this guy for four months now. Just recently he started complaining of tingling and itching in his urethra.

He blamed me for sleeping with someone else but I haven’t. Right before me and him met I also got tested for everything and was negative.

Today he went to the drs and tested positive for a UTI. He got tested for other STDs but the results won’t be back for another 4-5 days.

Could an STD trigger a UTI to be a positive test? Is it possible for him to have chlamydia and test positive for a uti?

Also is it possible for him to have had an std if that’s the case for 4 months now and barely have symptoms?

Side note: I haven’t had any symptoms and yes I will be getting tested as well to be on the safe side.