According to the Canadian manufacturer, adults should not use more than 6 doses in a 24-hour period.

According to the US manufacturer, adults should not use this medication more often than every 3 hours and should not use more than 8 doses in a 24-hour period. In adults, the usual maximum dose is 15 milliliters per dose. According to the Canadian manufacturer, do not give a child more than 4 doses in a 24-hour period. According to the US manufacturer, do not give a child more than 4 doses in a 12-hour period. Overdose has occurred in children accidentally given the wrong dose. Do not increase your dose or use this drug more often or for longer than prescribed, because your risk of side effects will increase. In children, the dosage is also based on age and weight. The dosage is based on your medical condition and response to treatment. Children should not swallow this medication unless directed by their doctor. To treat irritation of the esophagus, swallow the dose as directed by your doctor. To treat a sore throat, gargle with the medication, then swallow or spit out, as directed by your doctor. For mouth pain, swish the dose in your mouth, then spit out. Use this medication as directed by your doctor, usually as needed for pain or soreness. Do not mix with other liquid or food unless directed by your doctor. Do not use a household spoon because you may not get the correct dose. Carefully measure the dose using a special measuring device/spoon. If you have any questions, ask your doctor or pharmacist. Read the Patient Information Leaflet if available from your pharmacist before you start using lidocaine and each time you get a refill.

Lidocaine swish and swallow