[Linnear]

This depends on the actual drug being introduced.

If the drug is for asthma then the dosage doesn't have to be as high as the drug is almost a topical prep. Salbutamol tabs 4 or 8 mg usual dose salbutamol inhaler 100-200 mcg.

For other things then you can get a bioequivalent dose but all comes down to pharmacodynamics of the situation.

Exubera (inhaled insulin) website states that 100units of insulin need to be deposited in the nose to get 10 units into the system.


So a dose can usually be found to equal another dosage form but will usually be a different amount depending on the target site.