Acetylcysteine is available at the drugstore.
Acetylcysteine is an expectorant medication that is used to treat respiratory conditions such as acute bronchitis, chronic bronchitis, emphysema, mucus obstruction, and other conditions that involve excessive thick mucus secretions. Acetylcysteine is a class of over-the-counter medication that patients can purchase over the counter.
Occasional adverse reactions to acetylcysteine are nausea, vomiting, etc. Rare adverse reactions are rash and bronchospasm. At the same time the drug for pregnant and lactating women should be used with caution, if you really need to use, please under the guidance of a doctor. Also for patients with bronchial asthma, do not use the drug.
Patients should use the drug under the supervision of a doctor.