Intradermal injection is a drug delivery technique that involves introducing a solution or suspension into the most superficial layer of the skin, called the dermis. This method is commonly used for the administration of certain types of vaccines, allergy testing, and in cosmetic procedures, such as the administration of dermal fillers.
Intradermal injection is typically performed using a short, thin needle that is inserted at a very low angle into the skin, almost parallel to the skin surface. The amount of fluid injected is small and is usually visible as a small bump under the skin.
This method of administration is preferred for certain vaccines, such as the tuberculosis vaccine (BCG) and some allergy tests, because the dermis contains a high concentration of immune cells, which can increase the immune response to the injected substance. Additionally, intradermal injection may help reduce the risk of systemic side effects compared to other delivery methods.
It is important that the intradermal injection technique be performed by trained and experienced personnel to ensure its effectiveness and safety. Additionally, after administration of an intradermal injection, it is important to observe any local or systemic reactions and follow specific recommendations from the healthcare provider.
Intradermal Injection
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