Plastic devices containing bronchiodialaiting drugs (salbutamol sulphate being the most common) that relieve bronchospasm in asthmatic people. May also be prescribed to relieve chest pains for people with a Chronic Pulmonary Obstructive Disease.
Also, there are inhalers that contain corticosteroids that can help prevent attacks amongst asthmatic people and are used to help stimulate the lung tissues of those with other chronic conditions or diseases such as emphesyma.
nitrousoxide or other gasses used in aerosol cans inhailed into the lungs threw the mouth or nose,whipp-its. other inhalents include freeon antifreeze, sharpie markers, nail polish, and some glues.