Transscleral

It refers to across the white (sclera) of the eye.

Intracavernous

It refers to injection into the base of the penis.

Intravitreal

It refers to the administration of the drug throught the eye.

Transdermal

It refers to the administration through the unbroken skin in the form of a patch.

Intradermal

It refers to the areas between or within the layers of the skin.

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).