Combihale FF 500 Redicaps is used in the treatment of asthma wheezing and shortness of breath and chronic obstructive pulmonary disorder a lung disorder in which the flow of air to the lungs is blocked It relaxes the muscles of the air passages and making it easier to breathe Your doctor will tell you how often you need to use your inhaler It s important that you take the lowest dose needed to effectively control your asthma The effect of this medicine may be noticeable after a few days but will only reach its maximum after a few weeks This medicine must be used regularly to be effective so go on taking it even if you don t have any symptoms That means it s doing its job If you stop taking it your asthma and COPD may get worse It should not be used to relieve sudden asthma attacks If an asthma attack occurs use your quick relief inhaler reliever To get the benefit from this medicine you need to make sure you get your inhaler technique right otherwise it Does not work as well