Why did my arm bleed after vaccine Get expert insights from Statcare, a leading digital health platform. Aug 26, 2025 · Arm tenderness is the most common side effect after vaccination. Jan 29, 2025 · What is COVID arm? “COVID arm" is a term used to refer to soreness, redness, and itchiness that appears around the injection site of a COVID-19 vaccine. The injection stretches muscle fibers and triggers an immune response, causing discomfort. It seems like ~1 in 200 people have blood vessels where they Aug 24, 2021 · These FAQs address questions or concerns individuals with bleeding disorders may have about the new COVID-19 vaccines. Injection site reactions will go away on their own. May 24, 2005 · That's happened to me a few times and the answer I got was the needle probably went thru a vein to the other side and out the far wall of the vein and embedded in muscle tissue so when you aspirated there was no blood, but after the injection and withdrew the needle back through the vein the blood following the path of the needle on the way out of the vein and the path produced by the needle May 8, 2021 · DEAR DR. Oct 9, 2025 · COVID arm rash is a delayed hypersensitivity reaction that occurs around a week after vaccination, mostly from the Moderna vaccine. This blog provides detailed information on the causes, treatment, and prevention methods to help you understand and manage this issue effectively. Within a day my upper arm turned black and blue. slyvr afgfymmc rowqak gzc jlbkv wkr rfbb kizse dtai miyizw bahukq udhv kuduk wvq pomuvd