Injection site reaction

Injection site reaction

Injection site reaction (in-jek-shun site ree-ak-shun) refers to a variety of responses that can occur in the area where a medication or vaccine is injected. These reactions can range from mild skin irritation to more severe symptoms such as swelling, redness, and pain.

Etymology

The term "injection site reaction" is derived from the medical practice of injecting substances into the body, and the body's subsequent reaction to these substances. The term is used to describe any adverse response that occurs at the site of the injection.

Symptoms

Symptoms of an injection site reaction can vary depending on the type of injection, the medication or vaccine being administered, and the individual's personal health. Common symptoms include:

• Redness or rash
• Swelling
• Pain or discomfort
• Itching
• Bruising
• Fever

Causes

Injection site reactions are typically caused by the body's immune response to the injected substance. This can be a normal reaction as the body works to process the medication or vaccine. However, in some cases, an injection site reaction may indicate an allergic reaction to the substance.

Treatment

Treatment for an injection site reaction often involves managing the symptoms. This can include applying a cold compress to the area, taking over-the-counter pain relievers, or using topical creams to reduce itching and swelling. If symptoms persist or worsen, it is recommended to seek medical attention.

Related Terms

• Adverse drug reaction
• Allergic reaction
• Immunization
• Vaccination

External links

• Medical encyclopedia article on Injection site reaction
• Wikipedia's article - Injection site reaction

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