Question: ventolin hfa how many puffs?
Answer: After the first hour, the dose required may vary from 4 to 10 puffs every 3 to 4 hours up to 6 to 10 puffs every 1 to 2 hours, or more often. 2 puffs every 4 to 6 hours as needed for bronchospasm. In some patients, 1 puff every 4 hours may be sufficient. FDA-approved labeling recommends to not exceed 12 puffs/day.