 [ Symptoms ] how can i learn about hfa asthma inhalers [ Disease ] the allergy and asthma network mothers of asthmatics offers a free phone consultation service in which patients may talk to a nurse practitioner about using hfa inhalers and financial assistance available that number is 800 315 8056 other organizations offer information on their web sites about the transition they include the allergy and asthma foundation of america american academy of allergy asthma & immunology and the american lung association