hi.. i dont know whether u have consulted any psychiatrist before or not. but panic attacks usually occur without any reason, all of a sudden. in which there are so many symptoms are present, but every person does not have same symptoms. common symptoms are palpitation, perspiration, mild chest pain, feeling of butterfly in the abdomen, dizziness, giddiness, nausea even vomiting, difficulty in breathing, tingling and numbness in limbs, heaviness of the head and most important is feeling of going crazy or feeling of impeding doom etc.. these symptoms start suddenly and gradually increase in severity within 10 minutes and resolves on its own within another 5 mnts. this isa panic attack. when person has this kind of experience, he first thinks about heart attack n rus to the cardiologist, after ECG and other investigation he is usually referred to a psychiatrist to rule out anxiety disorder. when person is worried about these symptoms he has fear that this will happen again and what will he do at that time? gradually the frequency of the attacks gradually increases. these panic attacks may be situational like, occurs when person is in a crowded place, while in a bus, at height, on a bridge.. the more u think about it, problem increases. u shd consult a psychiatrist a ask for help.. meds u can take: tablet. PARI CR OR XET CR [12.5] AT NIGHT, increase the dose to 25 mg at night after 15 days. tablet. lonazep 0.25 mg three times a day for 15 days and then gradually reduce it twice a day in next 15 days and then once a day for 15 days and finally stop it within 6 wks.. consult regularly, keep in mind that u have to take medications for longer duration.