How Long Covid Causes Muscle Pain, and What to Do About It When this happens, blood leaks out of the vessels and initially appears as a dark mark. Stay at least 6 feet away from other people at all times. So far, there are two known adverse events following the COVID-19 vaccine. A hematoma is a collection of blood outside the blood vessels that causes pain and swelling.. Purpura: This type of bruising typically involves small bleeding that occurs under the skin. Anyone who had a severe allergic reaction after getting an mRNA COVID-19 vaccine (Pfizer-BioNTech or Moderna) should not get another dose of either of the mRNA COVID-19 vaccines. Iron: Iron is vital for healthy blood cells. Coronavirus UK: Could bruises on your FEET be a symptom? Random Bruising: 13 Possible Causes Excluding Obvious Injury On May 10, 2021, the U.S. Food and Drug Administration expanded the emergency use authorization (EUA) for the Pfizer-BioNTech COVID-19 Vaccine for the prevention of coronavirus disease 2019 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) to include adolescents 12 through 15 years of age. Last week, a post by Heidi Neckelmann, the wife of Miami obstetrician Dr. Gregory Michael describing his death from idiopathic thrombocytopenic purpura (ITP) 16 days after being vaccinated with the Pfizer/BioNTech COVID-19 vaccine went viral. Bruising in pregnancy. Sure Signs You May Have Post-Acute COVID Syndrome, Says Doctor You need to be alerts for any signs of bruises and lesions on your toes. Mees' lines look like white lines or stripes that run horizontally across the nail. Suspected VITT blood clotting case after Johnson & Johnson COVID-19 vaccination (2021, . Unexplained bruising and an overall sensitivity to bruising has been reported by sufferers as a long-term symptom.