I am confused if I have ADHD or not and really need help
So this needs alot of backstory so me 18m have been struggling alot with if I have ADHD or not it started when I was about 13 and got a video about ADHD and when they said the symptoms surprisingly all of the symptoms fit me so perfectly I was surprised
So I told my dad about it and he told me that no you are normal you're fine so I started doubting myself but everytime I saw a video of people describing their experience with ADHD how you know you have to do something but your mind won't allow it the consistent thoughts while trying to sleep the constant repeating of random songs or just words in general
So after finally deciding to confront my dad about this and I had told him many times after the first time my dad finally agreed to take me to a psychiatrist
Now for more information my dad is a hard old generation back in my day kinda guy so he didn't believe me at all when I mentioned ADHD and told me that he doesn't even know what ADHD is and my dad is also a doctor and works in a hospital now in that hospital there is a psychiatrist an old lady
My dad seeing that he won't have to pay money told me that we would do it at her work place I agreed
So we go there and enter before I can say anything my dad tells her about how I am perfectly normal and he thinks that I am scared and a little paranoid about this ADHD stuff before I can say anything (in context he whispered that to her I only heard it from him after we left)
So she first asks me why I am here and my first response is I think I have ADHD and after my first question she immediately says no you don't no other questions asked and her reasoning for that is that ADHD people deny having ADHD?
And that was all just one question asking me why I am here and that's all she just said you are paranoid cause you are entering a very challenging year in school (basically if I don't get good grades this year I am pretty much fucked in life) I then tried arguing with her about how I struggled with it for many years took many online tests but she refused to budge telling me that you can't diagnosis yourself
She then wrote us a few medication and told my dad to make me stay away from ADHD medication cause that stuff can mess your brain
Now I am confused I don't know and don't wanna talk to anyone I kinda argued alot with my dad sister and pretty much all my family
So here I am asking was this a correct diagnosis or no am I just paranoid but everytime someone mentions ADHD symptoms and how their life is it's exactly like me the not eating , focusing on the most random stuff for like 3 days then forget about it I just don't know what to do and really need help