Burning sensation when urinating day after sex? what does this mean?

UTI vs STI/STD: Dysuria means painful burning sensation when urinating. Most common cause is a urinary tract infection (UTI), which often happens after sex. However, sexually transmitted infections/diseases are possible cause of dysuria especially if he did not wear a condom. This means you need to see your Family Doc, GYN, Planned Parenthood or county health clinic for evaluation, testing & appropriate treatment