<s>[INST] Dear Doctor,12 years back i was hospitalized and at that night i could not sleep whole night. sudden fear cropped up and my heart began to palpitate and even worse with each moment. Till now i have that fear, palpitation and uneasiness and i cant live a normal life. I have consulted various doctors including cardiologist but there was no any heart problems. I am suffering a lot and could u please guide me what i need to undergo to cure my problems. [/INST] Hello, Thanks for choosing Chat Doctor for posting your query. From the description that you have given, it appears that you have an anxiety episode, and you need to get it treated. There are various option available.1) Talk therapy: Cognitive Behavioral therapy, REST and behavioral therapy.2) Paroxetine, venlafaxine, fluoxetine, Escitalopram.3) Regular exercise, fresh diet will also help. You need to see a psychiatrist. Do take out time and visit one. Hope I am able to answer your concerns. If you have any further query, I would be glad to help you. In future if you wish to contact me directly, you can use the below-mentioned link:bit.ly/ Chat Doctor.  </s>