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.