Hissing sound in the throat when breathing is mostly caused by narrowing or obstruction of the pharynx, respiratory diseases or heart diseases.
1. Pharyngeal stenosis or obstruction, common factors such as pharyngeal obstruction caused by accidental aspiration of foreign objects; or laryngeal edema caused by allergy; compression by airway tumors and other factors will lead to the airway not being smooth when breathing, and hissing sound will appear.
2. Respiratory diseases, when there is acute pharyngitis, bronchial asthma, chronic obstructive pulmonary disease, severe pneumonia and other diseases, there will also be such manifestations, but in addition to hissing, more accompanied by the characteristic manifestations of each disease, which need to be specifically analyzed.
3. Heart disease, when suffering from heart failure, acute or chronic cardiac insufficiency and other diseases, can cause cardiogenic asthma, such as manifestations, and in severe cases can also cause expiratory dyspnea.
In addition to the above diseases, there may be other reasons for the hissing sound in the throat when breathing, and it is recommended to consult a professional physician at a regular hospital.