Last night while i was asleep my vagina felt irratated and ichy iwent to the bast room and when i looks my vagina was swollen the right lip was swollen and ichy it looked like an actual wollen lip...i got scared and told my husband and he put an ice pack on it for the swelling...but want to know what it is...?

Most likely a yeast infection. Call your doctor in the morning for an exam and a prescription for difulcan if that is indeed what it is.