Along with its needed effects, a medicine may cause some unwanted side effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor as soon as possible if any of the following side effects occur:

Less common
Wheezing, tightness in chest, or difficulty in breathing (especially in asthma patients)

Rare
Skin rash or other irritation

Check with your doctor if any of the following side effects continue or are bothersome:

Less common
Clammy skin; fever; increase in amount of mucus in lungs; irritation or soreness of mouth, throat, or lungs; nausea or vomiting; runny nose

For patients using a face mask for inhalation of acetylcysteine
The mask may leave a stickiness on your face. This can be removed with water.

When you use acetylcysteine, you may notice that the medicine has an unpleasant odor at first. However, this smell will go away soon after you use the medicine.

Other side effects not listed above may also occur in some patients. If you notice any other effects, please consult your doctor.

 

FDA Information

Why is this medication prescribed?

Other uses for this medicine

Dosage and using this medicine

What special precautions should I follow?

What should I do if I forget a dose?

What storage conditions are needed for this medicine?

In case of an emergency/overdose