Intramuscular injection is the injection of a substance directly into a muscle. In medicine, it is one of several alternative methods for the administration of medications (see Route of administration). It is used for particular forms of medication that are administered in small amounts. Depending on the chemical properties of the drug, the medication may either be absorbed fairly quickly or more gradually. Intramuscular injections are often given in the deltoid, vastus lateralis, ventrogluteal and dorsogluteal muscles. When the gluteal muscles are used, injections should be made on the upper, outer quadrant of the buttock to avoid damaging the sciatic nerve. In medicine, an injection is a method of putting liquid into the body with a hollow needle and a syringe. ... A top-down view of skeletal muscle Muscle (from Latin musculus little mouse, referring to muscles like the biceps which pop up as though a mouse were scurrying about under the skin [1]) is contractile tissue of the body and is derived from the mesodermal layer of embryonic germ cells. ... Medicine is the branch of health science and the sector of public life concerned with maintaining or restoring human health through the study, diagnosis, treatment and possible prevention of disease and injury. ... Oral medication A medication is a licenced drug taken to cure or reduce symptoms of an illness or medical condition. ... In pharmacology and toxicology, a route of administration is the path by which a drug, fluid, poison or other substance is brought into contact with the body 1. ... The deltoid muscle is the muscle forming the rounded contour of the human shoulder. ... The Vastus lateralis muscle is a muscle of the human body. ... Gluteus maximus The gluteal muscles are the three muscles that make up the human buttocks. ... Bith buttocks. ... This article or section may be confusing or unclear for some readers, and should be edited to rectify this. ...

Thrombocytopenia (low platelet counts) and coagulopathy (bleeding tendency) are contraindications for intramuscular injections, as they may lead to hematomas. Thrombocytopenia (or -paenia, or thrombopenia in short) is the presence of relatively few platelets in blood. ... A 250 ml bag of newly collected platelets. ... This page is a candidate to be moved to Wiktionary. ... In medicine, a contraindication is a condition or factor that increases the risk involved in using a particular drug, carrying out a medical procedure or engaging in a particular activity. ... Hematoma on an elbow, nine days after a blood sample was taken Hematoma on a forearm, one day after repeated shocks A hematoma, or haematoma, is a collection of blood, generally the result of hemorrhage. ...

Examples of medications that are sometimes administered intramuscularly are:

• codeine
• methotrexate
• metoclopramide
• olanzapine
• Streptomycin
• many vaccines
• diazepam
• prednisone
• Interferon beta-1a
• sex hormones, such as testosterone, estradiol valerate, and Depo Provera

This article is about the drug. ... Methotrexate (rINN) (IPA: ), abbreviated MTX and formerly known as amethopterin, is an antimetabolite drug used in treatment of cancer and autoimmune diseases. ... Metoclopramide (INN) (IPA: ) is a potent dopamine receptor antagonist used for its antiemetic and prokinetic properties. ... Olanzapine (sold as Zyprexa®, Zydis®, or in combination with fluoxetine, as Symbyax®) was the second atypical antipsychotic to gain FDA approval and has become one of the most commonly used atypical antipsychotics. ... Streptomycin is an antibiotic drug, the first of a class of drugs called aminoglycosides to be discovered, and was the first antibiotic remedy for tuberculosis. ... A vaccine is an antigenic preparation used to produce active immunity to a disease, in order to prevent or ameliorate the effects of infection by any natural or wild strain of the organism. ... Diazepam (pronounced , marketed under brand names Valium, Stesolid, Seduxen Bosaurin and Apozepam)[1] is a drug which is a benzodiazepine derivative. ... Prednisone is a synthetic corticosteroid drug which is usually taken orally and can be used for a large number of different conditions. ... Interferon beta-1a is a drug in the interferon family used to treat multiple sclerosis. ... Testosterone is a steroid hormone from the androgen group. ... Estradiol (17-beta estradiol) (also oestradiol) is a sex hormone. ... Depo-Provera Contraceptive Injection (medroxyprogesterone acetate) is the U.S. brand name of a birth control product manufactured by Pfizer Inc. ...

External links

• MeSH E05.300.530.460