Tremors, feeling anxious or nervous, sense of panic, sweating, increased heartbeat, feeling of impending doom, stomach discomfort, dizziness etc are signs of anxiety. These can be debilitating. If the anxiety is overwhelming, consult a Psychiatrist at the earliest. With the right medication and counseling, it is likely your symptoms will improve.

Hi The symptoms you are experiencing are called panic attack. It can be an isolated thing or a part of a panic disorder. It is usually seen along with depression. There are medications which help in this condition Please consult a psychiatrist or you can direct consult me.