Trouble breathing from a week. Help.

I have been finding it difficult to breath since a week, I realised it was because of prolonged emission of smoke from Camphor at my home. I did ECG and a couple of blood test and the results came good. I felt relieved and felt good for a day but the next day I started feeling anxious about the difficulty in breathing. Now I don't feel that much difficultly in breathing but I am thinking about breathing all the time. I feel if I don't breathe manually I will stop breathing and I'll die. Also I am not able to sleep since 2 nights. All the time I am awake I am thinking about breathing and it makes me uncomfortable and annoyed. I vomited yesterday and had tingling sensation in my arms and neck. Please help.