Objective: To investigate the efficacy and tolerability of high-dose N-acetylcysteine (NAC) in the treatment of patients with exacerbations of chronic obstructive pulmonary disease (COPD).

N-acetylcysteine (NAC) is a powerful antioxidant and amino acid that has shown a multitude of health benefits. It is often used in treating lung diseases such as bronchitis and asthma, as well as ...