What to do if you took a shower and got red and swollen at the eye of the needle from a vaccination?

Vaccination bath needle eye red and swollen may be due to needle eye infection and inflammation, if not serious can be sterilized anti-inflammatory, if serious, you need to go to the hospital in time to seek medical attention. In addition, the redness and swelling of the eye of the needle may also be a local reaction to the vaccine.
If the needle eye is red and swollen after taking a shower after vaccination, it may be that the shower caused the needle eye infection and inflammation, but if the redness and swelling is not serious, and it does not hurt, and does not have a fever, there is no need to worry. Patients can wipe iodine povidone to disinfect it, and also do hot compresses to promote the redness and swelling to subside.
In addition, if the pinhole is only locally red and swollen but without fever, pus and pain, it may be a normal local reaction after vaccination, because the vaccine stays in the fat layer for too long and irritates the tissues, resulting in redness and swelling of the pinhole. Hot compresses can be applied.
It should be noted that if the redness and swelling are serious and do not get better, or there are other accompanying symptoms, you should go to the hospital in time for examination and treatment.