help please

So I and my mom got into this big fight yesterday and I said some things I didn't mean to say to her and she said some things and I know what I said was bad but what she said cut deep in me because Even though what I said to her wasn't good her words hurt because going through wat om going through rn is honestly the worst thing a human can go through my worries and fears now all of a sudden now become feeling of Suicide and self-harm and honestly she's right because at this point I'm at a dead end and there's no going back I didn't tell her what was actually going on with me because I know she will never look at me the same and growing up with parents that are Gen x back in the day mental illness is a fucking joke to them apparently and is not taken seriously not all of them are like this but I know a few now I've been thinking about offing myself I don't think I'm gonna make it I'm really struggling.

I feel like it's got to a point that I just can't deal with stuff on my own anymore. I've tried to help myself with compulsions and thoughts and behaviours and it helps to an extent but I feel like I just need more help. But I don't even know where to start, I've felt so ignored in the past and I don't even know where you can turn to. I'm in the UK so it's difficult, especially considering I'm only 17, to get any help for this kind of thing. I just want someone to talk to, something to help – medication, maybe? I want to try it, I want to see if it would stop the overthinking for a while. Stuff isn't as bad as it has been before, but I feel like I can't just leave this anymore. I just don't know who to turn to or where to go from here.

I feel like there’s no way out of this. everyday i’m anxious and depressed from these thoughts. i feel like i have to constantly question if it’s OCD or not. the panic attacks are insane and i freak out. and a compulsion i have is looking eveything up on the internet when im stressing to know that it’s just my OCD and im not in danger. but looking things up add on to my thoughts and i start thinking “what if” actual suidcal people think. do others with this theme whenever they do something like if im taking a picture it’ll be like “yeah you look happy people will wonder what happened when your gone” LIKE i DO NOT want to end my life. or even as simple as cleaning my room, “yup keep it clean so when your family goes through your stuff” then i panic and can’t even do anything. those thoughts distress me so bad. i’ll sit there and think how good my life is or when im having a good day my thoughts will be like “NOPEEE what if your just saying that to convince yourself” it never shuts up and genuinely makes me think i have SI or something. i hope this reaches the right people just to know im not alone. Even when i do get better in the back of my mind it’s always “people who want to are the same a day before too” im genuinely scared and im scared one day im going to just snap and do it because its “too much” do i need to go to a mental hospital! i feel insane.