what kind of inhaler? there are many many types. since i do not know this information or anything about you and your medical history i would strongly advise you to see your medical provider. acute bronchitis assuming this is what you have is usually viral and will be self-limiting in about a week. assuming you are not wheezing have a history of asthma or other medical problems an inhaler such as a bronchodilator is usually not necessary.
can an inhaler help if you have acute bronchitis