Acetylcysteine (Cetysl) 200mg Powder for Oral Solution Sachet 10's is a medication used to help treat conditions involving excessive mucus production, such as chronic respiratory diseases, or to prevent liver damage caused by paracetamol (acetaminophen) overdose. Each sachet contains 200mg of acetylcysteine in powder form, which is dissolved in water to create an oral solution. It is typically used to break down mucus in the lungs or as an antidote for acetaminophen poisoning, and comes in a pack of 10 sachets for easy dosing.