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Subcutaneous administration is the insertion of medications beneath the skin either by injection or infusion. A subcutaneous injection is administered as a bolus into the subcutis, the layer of skin directly below the dermis and epidermis, collectively referred to as the cutis. The instruments are usually a hypodermic needle and a syringe.
Pen needles are designed for single use subcutaneous injection of medication and are not designed to be reused for more than one administration. [6] The needles are generally manufactured with an outer protective plastic shell, which is used by a person to attach the needle to the pen, and an inner plastic shell protecting the needle itself.
A depot injection is an injection, usually subcutaneous, intradermal, or intramuscular, that deposits a drug in a localized mass, called a depot, from which it is gradually absorbed by surrounding tissue. Such injection allows the active compound to be released in a consistent way over a long period. [26]
Intradermal injections are given between the layers of the epidermis and the hypodermis. The FDA cleared the monkeypox vaccine to be administered this way.
accelerate the syringe forward, puncturing the injection site; actuate the piston of the syringe, injecting the drug; deploy a shield to cover the needle; Some injectors are triggered by simply pushing the nose ring against the injection site. In these designs, the protective cap is the primary safety.
Mantoux intradermal injection Intradermal needle insertion angle compared with other injection types.. The traditional procedure of ID injection known as the Mantoux procedure (as used in the Mantoux test) involves injecting at angle of administration of 5 to 15 degrees angle, almost against the skin.
Subcutaneous (under the skin). [22] This generally takes the form of subcutaneous injection, e.g. with insulin. Skin popping is a slang term that includes subcutaneous injection, and is usually used in association with recreational drugs. In addition to injection, it is also possible to slowly infuse fluids subcutaneously in the form of ...
An intramuscular injection of vaccines allows for a slow release of the antigen to stimulate the body's immune system and to allow time for developing antibodies. Subcutaneous injections are used by heroin addicts (called 'skin popping', referring to the bump formed by the bolus of heroin), to sustain a slow release that staves off withdrawal ...