Hello, I Am Really Worried I Have Done Something Stupid

hello, I am really worried I have done something stupid and I don't need telling that I just need to know what is wrong with me, I can not go to a&e and I cant ring nhs direct, as I don't was any one knowing but I have taken 13 parcetemol, which are the ones with 200g of paracelemol and 300g of asprin in each, and I thook them all at once about 2-3 hours ago, and know I feel really sick I have a very sore stomach and im sweating quite a bit, I regret doing it now, but you should also know I am a recovering self harmer and have had depression throughout the past 6 years, I am 21 and I have been told in the past I have a slightly heighted liver enzyme, I always take painkillers for pain and I admit I sometimes slightly go over the recommended dose but I have never taken this many at once before and im sceard