Panic Attacks Support Group
A panic attack is a period of intense fear or discomfort, typically with an abrupt onset and usually lasting no more than thirty minutes. Symptoms include trembling, shortness of breath, heart palpitations, sweating, nausea, dizziness, hyperventilation, and sensations of choking or smothering. Panic attacks can be very sudden, appear to be unprovoked, and are often...

Maybe not to others
Your feelings are validated a colonoscopy is scary just like going to the dentist is scary or a job interview is scary
It Sounds like you have been through a lot
Try to breath and believe everything will be ok