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Acetylcysteine

Missed Dose

If you are using this medication to treat lung disease and miss a dose, use it as soon as you remember. If it is near the time of the next dose, skip the missed dose. Use your next dose at the regular time. Do not double the dose to catch up.

If you are using this medication to treat acetaminophen overdose, it is important to take each dose as scheduled. If you miss a dose, ask your doctor or pharmacist right away for a new dosing schedule.

Overdose

If someone has overdosed and has serious symptoms such as passing out or trouble breathing, call 911. Otherwise, call a poison control center right away. US residents can call their local poison control center at 1-800-222-1222. Canada residents can call a provincial poison control center.