How long does it take for an inhaler to where off?

The duration of action for an inhaler depends on the type of medication it contains. Short-acting bronchodilators, such as albuterol, typically last about 4 to 6 hours, while long-acting bronchodilators can provide relief for 12 hours or more. It's important to follow your healthcare provider's instructions regarding usage and to be aware of the specific inhaler's duration of action. If you have concerns about how long your inhaler lasts, consult your doctor or pharmacist.