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Injection site reactions (ISRs) are reactions that occur at the site of injection of a drug. They may be mild or severe and may or may not require medical intervention. Some reactions may appear immediately after injection, and some may be delayed. [1] Such reactions can occur with subcutaneous, intramuscular, or intravenous administration.
This term encompasses any combination of redness, swelling, itching, bruising, or other irritation that does not spread beyond the immediate vicinity of the injection. [14] Injection site reactions may be minimized if repeated injections are necessary by moving the injection site at least one inch from previous injections, or using a different ...
Bruise colors vary from red, blue, or almost black, depending on the severity of broken capillaries or blood vessels within the bruise site. Broken venules or arterioles often result in a deep blue or dark red bruise, respectively. Darker colored bruises may result from a more severe bleeding from both blood vessels.
The sites where skin popping with cocaine has been performed have an area of central pallor surrounded by bruising . This pattern is due to the vasoconstrictive properties of cocaine acting locally at the injection site with hemorrhage occurring in the surrounding tissue.
But to first make clear what a bruise is: It’s the result of a broken blood vessel (a.k.a. capillary) which causes a leakage and collection of blood under the skin’s surface, explains Riza ...
Intramuscular injections commonly result in pain, redness, and swelling or inflammation around the injection site. These side effects are generally mild and last no more than a few days at most. Rarely, nerves or blood vessels around the injection site can be damaged, resulting in severe pain or paralysis.
Side effects of the treatment may include redness, swelling, bruising, tenderness, tingling, numbness, lumpiness, and/or a feeling of pressure or fullness at the injection sites [6] which, providers claim, people recover from within two days with outlying reports from patients whose recovery took a week or more with scabbing and other problems. [6]
Every year, hundreds of thousands of people visit an emergency department due to self-inflicted injuries. Experts explain the psychology behind and treatment options for self-harm.