Hello Iv Been Ill Over Yhe Last Mounth Iv Allways

hello iv been ill over yhe last mounth iv allways had no problem in getting hard or even cuming ...
but ever since iv been i just cant get hard nothing iv tryed looking at porn still nothing .i know i dont have much energy right now as i was very ill from a kidney infection but im much better now ..but i still cant get hard and if i do i might cum a very littel but just like water this is worrying me alot im 48 but a very fit guy