Talk to Urologist on Erectile Dysfunction

AOA sir my my age is 38 and a kidney transplant patient. my transplant was held 6 weeks ago . now i am using tab as fellow Tecogen 1 mg 2+ 2 myfortic 360 mg 1+1 deltacotril 5mg 1+0 cervida 3.125mg 1+0 sir my labs reports are as fellow now HB.14.3 blood urea.23 serum cretinine 1.22 tac level 5.7 ALT.20 electrolytes are normal in range sir i am facing some complications now . 1. muscle weakness 2. erectile dysfunction after kidney transplant. sir please suggest me the reason