I Have Very Dark Coloured Urine I Am 66 Yrs

I have very dark coloured urine i am 66 yrs old and started a new intimate relationship in december i am having body shakes in the night and have a fuzzy head and dont feel balanced to drive the car i was told the urine had a lot of white cells in it and a lot of protein and blood in the urine what type of infection is this and would my partner need take an antibiotic