Similar not same. Epinephrine is a hormone your body makes. It's an effective treatment for asthma & anaphylaxis but has limitations. It has many side-effects, stimulating the heart & sometimes triggering irregular heart rate & muscle tremors. It's beneficial effects wear off in ~20 minutes. Albuterol is a pharmacologic derivative of Epinephrine with fewer side-effects & a 3-6 hour duration of action.