Breathing hard. Always breathing deep. What's going on?

Poor breathing is related to many factors. The common reason is nasal obstruction caused by respiratory tract infection. Due to nasal mucosa edema, nasal secretions increase and poor breathing, there are allergic reasons, such as allergic rhinitis, allergic pharyngitis, etc. In addition, asthma, chronic obstructive pulmonary disease, heart failure and other diseases can also lead to poor breathing.