What to take for a severe nighttime cough that is less severe during the day?

There are many causes of severe daytime symptoms of coughing at night, common diseases such as upper respiratory tract infections, cough variant asthma, left heart failure, etc. can be caused by severe daytime symptoms of coughing at night, should be specific disease specific treatment.
1. Upper respiratory tract infections: upper respiratory tract infections can have a serious cough at night and less severe symptoms during the day, the treatment is symptomatic, if the cough is more serious at night, affecting sleep, you can use appropriate cough suppressant drugs such as prochlorperazine hydrochloride, dextromethorphan, etc., accompanied by mucus sputum, you can use aminobromine, carboxymethyl stannum and other phlegm treatment.
2. Cough variant asthma: Cough variant asthma can also have symptoms of severe paroxysmal cough at night, treatment should first be clear and away from the allergens that cause cough. Acute attacks can be inhaled budesonide and salbutamol and other drugs to relieve symptoms.
3. Left heart failure: left heart failure can also be manifested as obvious cough at night but less severe during the day, etc. The treatment should be low-salt diet, pay attention to rest, and the drugs can be given as diuretics (hydrochlorothiazide, etc.), angiotensin-converting enzyme inhibitors (captopril, etc.), β-receptor antagonists (metoprolol, etc.), and positive inotropes (digitalis, etc.), etc., to improve the symptoms and control the heart failure.
It should be noted that there are many causes of coughing, and should go to the local hospital to improve the relevant examination to clarify the diagnosis, and the above drugs need to be used under the guidance of specialized physicians.