Why does the vagina itch after sex?

　　What causes vaginal itching after sex? In this case, you should see your obstetrician and gynecologist to confirm whether you have some Gynecology disease ,like Vaginitis、vulvitis wait. If so, it should be treated immediately.

　　If there are no such gynecological diseases, vaginal itching after sexual intercourse may be caused by local allergies. Some female Some women may be allergic to some lubricants or talcum powder applied on the surface of condoms, and some women may also be allergic to contraceptive suppositories. This requires switching to other contraceptive methods.

　　If a condom or contraceptive pill is not used during sexual intercourse, then it is necessary to consider that the woman is allergic to the man's semen, that is, semen allergy.

　　Now I understand, in male Semen contains sperm and dozens of specific antigens in seminal plasma components that are not found in women. The antigenicity of the antigenic substances in some men's semen is particularly strong. If the woman has an allergic constitution, a series of allergic reactions will occur after sexual intercourse.

　　These allergic reactions often vary from person to person and can vary in severity. Some people experience vaginal or perineal edema and itching 10 to 20 minutes after sexual intercourse, or even accompanied by cough , palpitations, nausea, vomiting and other systemic symptoms, some may only have local itching, and will return to the original state soon after stopping sexual life.

　　People with semen allergies can use condoms to prevent allergies. Of course, if the allergic symptoms are severe, you should temporarily abstain from sex, reduce the number of sexual intercourses, and receive active treatment.

　　Semen allergy can also cause infertility. At this time, anti-allergic drugs or other desensitization treatments can be used under the guidance of a doctor.

　　According to foreign literature, for couples where the woman is allergic to semen, both parties can shave their perineal pubic hair to reduce local irritation.； Using a condom with a hole in the front during sexual intercourse can avoid contact stimulation of the sexual organs of both parties without affecting the woman's pregnancy.