The third vaccine is now mostly referred to as the third dose of the New Crown vaccine. Swollen, painful and itchy arms after vaccination may be due to an adverse reaction to the vaccine.
After completing the third dose of the new crown vaccination, some adverse reactions may occur, including local redness, swelling, tingling, etc., as well as low fever, fatigue and other systemic reactions. However, it cannot be ruled out that one has come into contact with an allergic substance, resulting in an allergic reaction.
This kind of situation is generally self-observation can be, most of them can be self-healing, such as for the inoculation site of the local reaction can be relieved in 1 ~ 3 days; if the symptoms are serious, itching and pain in a wide range of areas, it is recommended to use drugs to relieve. You can also take measures such as applying hot compresses to the local area to alleviate the discomfort.
If the symptoms continue to worsen, you need to consult a doctor to confirm whether there is infection, allergy and other conditions, and follow the doctor’s instructions for examination and treatment.