Welcome to HCM. Vaginal itching
and blood that you are complaining might have been because of too much rubbing, postinor is a pill which should be taken within 72 hours of unprotected intercourse
. It is very effective and one pill is sufficient. Do not take over-doses.
Side effect of the pill intake is nausea, headache, vomiting
, vaginal bleeding, early menstruation
, fatigue, etc
If the itching persists get vaginal swab and blood tests done to rule out STD, take care.