For adults and children weighing more than 50 kg (from about 15 years old) the maximum recommended daily dosage is 3 g of aspirin, ie 3 effervescent tablets per day. The usual dosage is 1 effervescent tablet at 1000 mg, to be renewed if necessary after at least 4 hours, without exceeding 3 effervescent tablets per day.
For the elderly, the maximum recommended daily dosage is 2 g of aspirin, ie 2 effervescent tablets per day. The usual dosage is 1 effervescent tablet at 1000 mg, to be renewed if necessary after at least 4 hours, without exceeding 2 effervescent tablets per day.