N-Aceytlcysteine 10% Nasal Spray
N-Aceytlcysteine (NAC) is a medication that destroys or dissolves mucus. NAC is used for certain sinus conditions when increased amounts of mucus make breathing difficult. NAC thinness or dissolves mucus so that it can drain from the sinus area. NAC can be helpful in easing the breathing and clearing nasal passages in patients with sinusitis.