Pain in the arm after the HPV vaccine is a side effect of the HPV vaccine, and most of it may last about 2-3 days before it goes away on its own. There is no need to be nervous when pain occurs, and it is recommended to avoid lifting heavy objects on the arm that is painful to avoid aggravating the localized pain. In addition, if the local pain, but also to understand the injection site whether the phenomenon of redness and swelling, if there is redness and swelling, may be the injection of disinfection is not strict, resulting in local infections caused by pain, it is recommended to go to the hospital in a timely manner to give the appropriate treatment to give anti-infection treatment to make the pain as soon as possible to alleviate the symptoms of pain. HPV vaccine needs to be vaccinated with a total of three injections, and it is best to avoid menstruation period because the body resistance is reduced during menstruation, and it is also recommended that the vaccine be administered to the patient. The HPV vaccine requires a total of three injections, and it is best to avoid the menstrual period, because the body’s resistance decreases during the menstrual period, so you should avoid this period before vaccination.