Home Care Aerosol therapy is a medical treatment that is used to treat a variety of breathing conditions. It can be used in the treatment of asthma, chronic obstructive pulmonary disorder (COPD) or other illnesses that impact airway function. Aerosol therapy delivers small amounts of medicine into the lungs. Aerosol Therapy can be delivered in the comfort of your own home. Nebulizers are designed to provide quick relief from respiratory illnesses by delivering medication to lungs in a mist form.