hi i am under a lot of stress with my boyfriend and i also have allergies and live in NV. i feel like i am having a panic attack but also feel like it could be allergies too. heart pounding hard and fast,hot feeling in chest,chest tight,congestion,feels like something hard in throat,dry mouth ,throat swollen,hard to swallow ,exhausted,loss of balance,dizzy,achy. i did go outside and it s warm with a breeze. i am allergic to grass,wheat,dog dander . is any of this a reaction? i aso had few hrs of sleep. the heart beating is still fast and hard and been at least 10min and now my bottom lip is throbbing.