True, go see a doctor.
Disliking the sun is one thing, but vomiting because of it? Might be because you are ill or something
You prb should go see a doctor, even if it's just to consult with them. If you're younger try telling a parent, or someone close to you who is responsible. They can help you set up an appointment.
The doctor can help if something is wrong and it's better to make sure, it will put you at ease if nothing else
Is it weird that i can't stand the sun to the point that i feel dizzy, starts to vomit and can't really think staright? To be honest, i don't really look forward to going out because of this and i'm pretty much a buzzkill when it comes to my friends asking me out to have fun but i refuse because of this. I have volleyball practice every Wenesday, Friday and Sunday but because what had happened today i can no longer go on Sunday practice ever. Sunday 7-9 morning while Wenesday and Friday 3-5 afternoon. Did i mention that i play volleyball outside? ヾ(❀╹◡╹)ノ~