please don't worry first of all.you are not the only one getting these symptoms.. many out there have similar disease called panic disorder.try to relax and focus on life in present.be busy in work,hobbies,home, children etc anything.keep your mind busy in something or the other like music,tv, movie, friends, family.
Next Steps
please refer a psychiatrist soon if no help with above suggestions.
Health Tips
drink plenty of water.deep breathing excercise.sleep a lot.