Please see a psychiatrist for a full evaluation and discussion of treatment options. You may wish to consider that these complaints take time to treat depending on the duration of the problem.

It's not clear from your little history,  what's the actual problem you're suffering from! We need a detailed discussion with you to arrive at certain diagnosis So  that we can help you appropriately.

A detailed medical and psychiatric history is always needed for every case.In addition, a detailed mental status examination is also recommended for every case to come for a diagnosis and management accordingly. It’s not clear what kind of phobia you are having. How long it’s happening? Was there any stressful event triggering the symptoms? Details of the thought process is to be explored. Have a positive mind set. Do Yoga relaxation exercises. Have adequate sleep.

It's a anxiety not phobia .. it's without cause sometimes ..and because of that you will feel Restlessness , Uneasiness , raised Heartbeat, dry mouth etc symptoms.. you just need to do regular exercise

That's actually very little information to go with but you seem to be in a lot of distress, so I'll suggest you to visit a Psychiatrist as soon as possible for a detailed evaluation of your problems. Do not worry, whatever the problem, whatever is making you scared, we can help you!