FOR ERECT LONG TIME DOCTOR SUGGESTED TAZZLE 20 MG ALTERNATIVE DAYS HAVE TO TAKE LIKE SUGGESTED MY DOUBT IS SHOULD I HAVE TO TAKE REGULARLY FOR LONG TERM WITH THIS PENEGRA 50 MG SUGGESTED THIS IS WHEN EVER HAD TO HAVE SEX SUGGESTED BUT WHAT ABOUT TAZZLE 20 MG PLEASE EXPLAIN AND BY TAKING THIS TABLETS ANY PROBLEM FOR PENIS and after SEX I FEEL FEVER WHY? SOME TIME I WILL GET joints PAIN BEFORE SEX? AFTER SEX PAIN WILL RELIEF? PLEASE I REQUEST YOU KINDLY GIVE DETAILS AND HELP ME.