Could it be pulmonary edema? i have much of the symptoms but im only 29 so hesitant to check out.

Require further eval: The common reason for the pulmonary edema is congested heart failure. The typical symptoms including shortness of breath ,especially when you are laying flat or exertion, legs edema, and other nonspecific symptoms include cough, fatigue, palpitation. However a lot of respiratory disease may mimic pulmonary edema, which to confirm require further evaluation include chest x-ray /Echocardiogram