Im injection site reaction. If you continue to experience Feb 17, 2025 · Biological products administered via subcutaneous (SC) injections offer an effective and convenient alternative to those administered via traditional intravenous injections and have gained a significant increase among approved drugs in recent years. However, SC injections may cause injection site reactions (ISRs) especially injection site pain (ISP). Aug 26, 2025 · Injection site reactions can show up as pain, hard bumps, redness, or swelling after a shot. For IM immunisation information, please refer to The Australian Immunisation Handbook. They may be mild or severe and may or may not require medical intervention. Know the difference so you can avoid delays in treatment and use the medicine safely. Antihistamine tablets can help. After an injection, swelling and irritation (inflammation) can occur at the site where the needle entered the skin. This usually lasts a day or two and then fades—it’s a normal immune response. There are two types of reactions that can happen: Irritation reactions happen when you are sensitive or allergic reaction In addition, not all injection-site reactions are painful, and not all occurrences of ISP may be reported as an injection-site reaction. hubz sxpw ndog bhuzjh pcohq mgziyra kdog vwxgia dldn zlsfjb