Medical Experts Clarify Post-Vaccination Vomiting as Normal Immune Response, Not Dangerous Reaction
Medical professionals are emphasizing that vomiting after vaccinations, while uncommon, is typically a temporary immune response rather than a dangerous reaction. This symptom, along with others like fatigue, muscle aches, and low-grade fever, indicates the body is actively building immunity. The timing of symptoms is crucial for identification; vaccine-related reactions usually begin within hours and subside within 48 hours. Causes for post-vaccination nausea or vomiting can include the immune system's activity, anxiety or stress related to needles, or coincidental stomach illnesses. For instance, flu shot vomiting is rare, but general malaise is a known effect. Similarly, COVID-19 booster side effects often include fatigue and headaches. In infants and young children, common side effects from vaccines like DTap, IPV, and Hib include mild irritability, temporary loss of appetite, and low-grade fever. The Tdap vaccine in adolescents and adults can also cause soreness or fatigue. These reactions are general...