Uses:

When inhaled by mouth acetylcysteine is used to help thin and loosen mucus in the airways due to certain lung diseases (such as emphysema bronchitis cystic fibrosis pneumonia). This effect helps you to clear the mucus from your lungs so that you can breathe easier.

When taken by mouth acetylcysteine is used to prevent liver damage from acetaminophen overdose.

Side Effects:

Nausea and vomiting may occur. Mouth sores and runny nose may also occur if you are inhaling this medication by mouth. If any of these effects persist or worsen tell your doctor or pharmacist promptly.

Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.

If you are taking this medication by mouth tell your doctor right away if any of these unlikely but seri