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Drug injection is a method of introducing a drug into the bloodstream via a hollow hypodermic needle, which is pierced through the skin into the body (usually intravenously, but also at an intramuscular or subcutaneous, location).
However, in common English the term has mostly been used to describe the four most well-known routes of injection. A peripheral IV placed on the hand. A medical professional performs an intradermal (ID) injection. The term injection encompasses intravenous (IV), intramuscular (IM), subcutaneous (SC) and intradermal (ID) administration. [35]
A syringe being prepared for injection of medication. An injection (often and usually referred to as a "shot" in US English, a "jab" in UK English, or a "jag" in Scottish English and Scots) is the act of administering a liquid, especially a drug, into a person's body using a needle (usually a hypodermic needle) and a syringe. [1]
The primary use of sterile water for injection is as an ingredient for dilution of other medications (aseptic preparation of parenteral solutions). [6] If it is given by injection into a vein without making it approximately isotonic, breakdown of red blood cells may occur. [3] This can then result in kidney problems. [3]
Intravenous therapy (abbreviated as IV therapy) is a medical technique that administers fluids, medications and nutrients directly into a person's vein.The intravenous route of administration is commonly used for rehydration or to provide nutrients for those who cannot, or will not—due to reduced mental states or otherwise—consume food or water by mouth.
These are also called injectable formulations and are used with intravenous, subcutaneous, intramuscular, and intra-articular administration. The drug is stored in liquid or if unstable, lyophilized form. Many parenteral formulations are unstable at higher temperatures and require storage at refrigerated or sometimes frozen conditions.
Intrathecal administration is a route of administration for drugs via an injection into the spinal canal, or into the subarachnoid space so that it reaches the cerebrospinal fluid (CSF). It is useful in several applications, such as for spinal anesthesia , chemotherapy , or pain management .
Vial of vaccine and syringe Examples of modern flat-bottomed plastic vials Sterile single-use vial of eye drops. A vial (also known as a phial or flacon) is a small glass or plastic vessel or bottle, often used to store medication in the form of liquids, powders, or capsules.