Since I (17m) was a little kid I've always been a severe hypochondriac. Random minor symptoms, googling, etc. The whole fun bunch. I won't go into detail because there's too much to tell. However, recently I've had much worse and aggressive physical symptoms causing a greater concern. 

About a month ago I had a severe panic attack that was so bad, it caused PHYSICAL damage to my heart. Not severe, but damage nonetheless. The doctors were unsure what had caused it at first, so they still sent me home with a heart monitor. They found nothing wrong obviously and diagnosed me with cardiophobia because afterwards, I had a constant fear of a heart attack. Shortly after I began to feel better and normal and started my normal activities again. Until last weekend, where I began having weird head sensations. A constant pressure feeling, ear pain, weird headaches all over the head. These sensations have persisted and caused me to call off work, and have only gotten worse. My headaches are now constant, my vision is having minor problems, and my sinuses are going nuts. My nose and ears are leaking a clear snot/fluid and bleeding a lot. Every time I stand up or for too long I get severely off balance, and feelings of my brain not getting enough blood. The headaches are not overly painful, but again... CONSTANT and they move all around the head. I've also had a brain fog and fatigue. My parents won't take me to a doctor because they think it's just anxiety due to my past. They also think it wouldn't be necessary because they would have noticed a brain tumor/problem because I had just gotten my blood tested a lot at the hospital just over a month ago.

More than likely I've deducted these are just symptoms of a sinus issue, but I can't shake the feeling it's a brain tumor or bleed, and it's keeping me awake and afraid 24 hours of the day. All I wanna do is see a neurologist and get everything tested but I can't. I'm so scared and worried it's something I'm gonna die from. Has anyone else experienced similar feelings? Is it something urgently needing to be checked out or is my anxiety just exaggerating symptoms? I find my self compulsively googling what's wrong and finding all my symptoms aligning with a brain tumor, or pots, and it makes it worse. So also, what are ways I can better control that compulsion?