ive been recently disgnosed with t2 prostrate cancer and have been on hormone tablets for a month and had my first 3 monthly hormone injection 2 weeks ago and am starting mt extrenal beam radiation at the end of this month, but since having the injection i am constantly really tried, i can be fine one minute then the next minute i feel dog tired and have to go to bed as i can bearly keep my eyes open, this can happen several times a day and is playing havoc with my life