Your doctor might recommend an inhaler to use routinely or in the case of an asthma attack as part of an asthma management strategy. There are two types of inhalers鈥攖hose with spacers and those without鈥攚hich the majority of people are unaware of. A spacer might be useful for people who have trouble using an inhaler, according to Denise Pate, M.D., an internal medicine specialist and medical director at Medical 91桃色.