<s>[INST] Im 21 years old, it started happening after a few months after I gave birth I get shortness of breath, dizziness, sweating, body feels hot but I feel cold, shivering, feeling faint, hearing is muffled, tight chest, blurry vision, fast heartbeat and feels like choking, I drink water and its hard to swallow but it help stops me from blacking out when I know its going to happen its happened to me 6 times in the past 2 years they just happen suddenly I dont know what triggers it and it lasts up to 20 minutes. [/INST] Hello these symptoms mentioned by you in the query may be due to these possibilities, these include:1 Anemia, diagnosis can be confirmed by blood examination for hemoglobin level.2 Allergic bronchitis, patient develop wheezing due to bronchoconstriction 9 shortness of breath).3 Tension or anxiety. This is also a main cause of such symptoms. As you mentioned that you gave a birth to a child and thereafter develop these symptoms. On the other side, you mentioned that all these symptoms are from 2 years, so this shows that these symptoms may be due to anxiety or tension. So deal as mentioned above and consult a physician and get his opinion. Good luck. </s>