Intramuscularly
Intramuscularly (pronunciation: in-tra-mus-cu-lar-ly) is a term used in the field of medicine to describe a method of administration where a substance is injected directly into the muscles. This method is commonly used for the delivery of vaccines, medications, and nutritional supplements.
Etymology
The term "intramuscularly" is derived from the Latin words "intra," meaning "within," and "musculus," meaning "muscle." It is often abbreviated as IM.
Related Terms
- Subcutaneous Injection: An injection given into the fatty layer of tissue just under the skin.
- Intravenous Injection: An injection given directly into a vein.
- Intradermal Injection: An injection given into the dermis, or skin layer.
- Intraperitoneal Injection: An injection given into the peritoneal cavity, which is the area that contains the abdominal organs.
Usage
Intramuscular injections are used when other methods of administration are not suitable. They are often used for drugs that need to be absorbed slowly and consistently, as the muscle tissue has a good blood supply and can absorb drugs effectively. The most common sites for intramuscular injections are the deltoid muscle in the upper arm, the gluteus maximus muscle in the buttock, and the vastus lateralis muscle in the thigh.
Procedure
The procedure for an intramuscular injection involves cleaning the injection site with an alcohol swab, pinching the muscle to create a firm surface, inserting the needle at a 90-degree angle, and then slowly pushing the plunger to deliver the medication. After the injection, the needle is removed and the site is covered with a bandage.
Risks and Complications
While intramuscular injections are generally safe, they can cause complications such as pain, redness, swelling, infection, and damage to nerves or blood vessels. It is important to use proper technique and to rotate injection sites to minimize these risks.
External links
- Medical encyclopedia article on Intramuscularly
- Wikipedia's article - Intramuscularly
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