I Am 66 Year Old And For The Last 6

i am 66 year old and for the last 6 years i am having sirius problems in my sex life.the doctor told me that i am having YEAST.but beside that amulfunction in my penis giving me big hard time i can have sex becase the skin in my penis wont go down.look like a xtrra inside flesh is stoping the penis skin to move lowerand i have lots of pain iam be usin a cream acording to the doctor but for long time now i dont see any improovement. Please hep me if you can .ihave no sexual life or confdence!!!!!!!!!!