Thanks for all these additional details.
I am sorry to hear about your problems.
Well, your symptoms are related with Panic attacks. These are the symptoms of anxiety disorder.
Having slight pain in chest, and tightness with spasm is part of this condition.
The line of treatment is- medications, and specific forms of psychotherapy.
Medications like- sertraline (Zoloft) and paroxetine (Paxil) , lorazepam (Ativan) should be prescribed.
You can walk on the treadmill, or ride your exercise bike, It would be helpful.
You should laugh more or watch a comedy or read a funny book.
You should connect with friends and family, You can make plans to meet for dinner or coffee.
You can go for meditating, it would quiet your mind.
You can Limit your alcohol and caffeine consumption, It can also help to keep your pulse from bounding.
To be honest and from my clinical experience i can say that your symptoms are related with Anxiety issue.
Please don't worry and don't think for you are sick person. You can follow healthy eating and lifestyle changes, it would be very useful.
Along with medications for Anxiety, You can follow above measures. It would be very useful and would surely resolve many of your symptoms.
Hope this helped
If you have any further question then you can ask me.
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