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Intramuscular injection, often abbreviated IM, is the injection of a substance into a muscle. In medicine , it is one of several methods for parenteral administration of medications. Intramuscular injection may be preferred because muscles have larger and more numerous blood vessels than subcutaneous tissue, leading to faster absorption than ...
The term injection encompasses intravenous (IV), intramuscular (IM), subcutaneous (SC) and intradermal (ID) administration. [35] Parenteral administration generally acts more rapidly than topical or enteral administration, with onset of action often occurring in 15–30 seconds for IV, 10–20 minutes for IM and 15–30 minutes for SC. [36]
Needle insertion angles for 4 types of injection: intramuscular, subcutaneous, intravenous, and intradermal. Injections are classified in multiple ways, including the type of tissue being injected into, the location in the body the injection is designed to produce effects, and the duration of the effects.
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). Intravenous therapy, a form of drug injection, is universally practiced in modernized medical care.
It is given by injection into muscle or a vein. [2] A single dose lasts 12 weeks. [2] It is made from human blood plasma. [3] Common side effects include fever, headache, pain at the site of injection, and red blood cell breakdown. [2] Other side effects include allergic reactions, kidney problems, and a very small risk of viral infections. [2]
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Intraosseous infusion (IO) is the process of injecting medication, fluids, or blood products directly into the bone marrow; [1] this provides a non-collapsible entry point into the systemic venous system. [2]
[3] [4] Injection of the material can be by the different routes: transanal route, trans-sphincteric, intersphincteric, perianal route (going through the muscle complex) or transcutaneous route. [3] As such, there are several different variations of injection location and route: [10] Trans-sphincteric route into the IAS,