hey,
i just replied on a similar post about this, so sorry if you read both.
I used to take the combined pill and was exactly the same, so i stopped taking it. recently started a new relationship and decided to get some advice about birth control from my local fpc, the doctor me that oestrogen can cause moodswings and depression, and put me on the Progesterone only pill (cerazette), ive been on it almost a month and i feel great. I have had some bleeding for a couple weeks, but its light and she told me this would settle down and become more regular.
I'd definately recommend visiting your doctor again, there are alternatives out there and you shouldnt have to put up with the symptoms of those pills.