Intradermally refers to an injection given into the skin, specifically the dermis layer. Other synonyms for intradermally include dermal injection, subcutaneous injection, subdermal injection, and intracutaneous injection. The choice of injection site and depth depends on the medication being administered and the desired effect. In general, intradermal injections are ideal for medications that require a slow and prolonged release in the body. They are also commonly used for diagnostic purposes, such as skin testing for allergies. Understanding the various terms for intradermal injections can help healthcare providers and patients communicate effectively about their treatment options.