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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.
Subcutaneous injection sites. Commonly used injection sites include: [3]: 723 The outer area of the upper arm. The abdomen, avoiding a 2-inch circle around the navel. The front of the thigh, between 4 inches from the top of the thigh and 4 inches above the knee. The upper back. The upper area of the buttock, just behind the hip bone.
These side effects subside within thirty minutes. Over time, a visible dent at a repeat-injection site can occur due to the local destruction of fat tissue, known as lipoatrophy, that may develop. [medical citation needed] More serious side effects have been reported for glatiramer acetate, according to the prescription label in the US.
Subcutaneous (under the skin). [22] This generally takes the form of subcutaneous injection, e.g. with insulin. Skin popping is a slang term that includes subcutaneous injection, and is usually used in association with recreational drugs. In addition to injection, it is also possible to slowly infuse fluids subcutaneously in the form of ...
One of the most common side effects of subcutaneous administration is moderate to severe pain at the injection site. [10] Although the manufacturer recommends keeping maropitant at room temperature, many people have noted that keeping it in the fridge reduces the sting upon injection.
Cutaneous adverse effects. Other side effects may include pain or skin changes at the sites of injection. Repeated subcutaneous injection without site rotation can lead to lipohypertrophy and amyloidomas, which manifest as firm palpable nodules under the skin. [15]
The side effects that are commonly associated with insulin therapy include: allergic reactions, injection site irritation, rashes, and hypoglycemia. [23] The most common side effect is hypoglycemia. Long-term use of insulin, including insulin aspart, can cause lipodystrophy at the site of repeated injections or infusion. To reduce the risk of ...
Erenumab, sold under the brand name Aimovig, is a medication which blocks the calcitonin gene-related peptide receptor (CGRPR) for the prevention of migraine. [3] [4] [5] It is administered by subcutaneous injection.