Hi cactus. well done on looking for help. Read the other stories here – you will see a lot of things that you will relate to. You will also see the success stories – what are they doing that you can apply to your own situation?
Telling your parents would help; they could help you with financial accountability.
Those debts don’t sounds manageable on a long term basis. There is a lot of free financial advice her ein the UK. Talk to the Citizens Advice Bureau or to Stepchange. They would talk through your options and help you get things to a manageable position.
Use the support that you ahve available, keep posting here, get to a Gamblers Anonymous meeting.
Keep posting and let us know the positive steps that you are going to take.