Subcutaneous

It refers to below the epidermis.

Inhaler

It is a device for inhalation of medicated vapors to relieve nasal congestion, asthma and chronic obstructive pulmonary disease (COPD).

Aerosol

It represents the suspension of tiny solid or liquid particles, especially medicated particles, in a gaseous environment. The size of the particles may range from 1 nanometer or 100 micrometers.

Vaporizer

A device that converts the substance to vapor form used specially for medical purposes.

It is used for delivery of the active ingredients in the form of inhalation.