Hi I am a 20 Year Old male and have recently been having trouble with anxiety attacks due to my constant obsession with the fact that I am ill, it all started when I had problems with my testicles I went and got checked and was told that it was just a cyst and was nothing to worry about I also had a Ultrasound abdomen scan and a blood test all came bavk as normal. However since then I just haven't felt great I keep obsessing over minor problems and symptoms I feel around my body, my left nostril has been stuffy for about 2 weeks now I have a slightly sore throat and have noticed a boney lunp around the back right side of my head and there is a dull ache around that region aswell as in my neck especially if I look to the left the ache comes on more. Like I said I am 20 years old no history of any medical problems with me or my family but the constant obsession that I am ill is driving me crazy, I think there is something wrong but I don't know what to do or how to deal with it.
thank you for anyone who took the time to read and potentially to reply.