<unk> , literally "under the lip", from Latin, refers to the pharmacological route of<unk>  by which the active substance is placed between the lip and the gingiva (gum).<unk>  should not be confused with sublingual<unk> , which is under the tongue. The frenulum of the tongue may be irritated when in contact with corrosive materials but can be avoided with this route. It is usually used for medications such as glyceryl trinitrate, for example, in angina pectoris.
Sublabial administration
Intravaginal administration
Intrathecal administration
Subcutaneous infusion
Intraperitoneal injection
Intramuscular injection
Intracameral injection
Subcutaneous injection