Inhalable insulin is a new (as of mid-2006) method of delivering insulin, a drug used in the treatment of diabetes, to the body. It is the first new treatment option of insulin since the discovery of insulin in 1921[1], traditionally administered by subcutaneous injection.

It is a powdered form of recombinant human insulin, which is delivered through an inhaler into the lungs where it is absorbed[2]. As of March 2007, the currently available type (Exubera) is a fast or rapid acting form of insulin [3], meaning that once it has been absorbed, it begins working within the body over the next few hours. Diabetics still need to take a longer acting basal insulin by injection[4]. Several companies are developing inhaled forms of the drug to reduce the need for daily injections among diabetics.


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