Acute means something that is sudden and/or "sharp."
Chronic means something that will eventually go away.
An allergen is something that induces an allergic reaction in everyone.
Hypersensitivity is an extreme sensitivity to an allergen.
A Beta Agonist is used to treat runny nose from allergies.
LABA stands for long-acting bronchiole agonist
A nebulizer holds a small cup of liquid medicine, that when hooked up to an air source causes pressurized air to turn the liquid into a fine mist that can be inhaled.
A metered dose inhaler is a device that holds medicine mixed with a propellant that is held under pressure inside a metal cannister.
A dry powder inhaler is the same thing as a metered dose inhaler.