Lying down and feeling tightness in the chest and not being able to breathe is usually seen in heart failure or asthma, regardless of which of the above cases, you need to consult a doctor in a timely manner, and symptomatic use of oral medication or nebulized drugs treatment.
1. Heart failure: For example, left heart failure or total heart failure. This is caused by an increase in the volume of return blood after lying down, leading to an increase in the preload of the heart, which in turn aggravates pulmonary edema, and thus manifests itself as tightness in the chest and breathlessness.
For this situation, the main use of cardiotonic agents such as digoxin, diuretics such as furosemide tablets, vasodilators such as nitrates, etc..
2. Asthma: These patients also like to sit down, and after lying down, they also have chest tightness and breathlessness. This condition requires the use of asthma medications such as aminophylline, or oxidative nebulization with hormonal drugs such as budesonide.
In either case, it is recommended to seek prompt medical attention and treatment, and to standardize the use of medications under the guidance of a doctor.