Ladies please pray for my baby cousin they originally thought she had a allergic reaction to…

Ladies please pray for my baby cousin they originally thought she had a allergic reaction to something because she broke out in hives her whole body but after leaving my house today she spiked a fever of a 104 her eyes started to swell shut her feet started swelling to the point of turning purple my aunt took her back to the emergency room and they have admitted her to run test the doctors have no idea what's wrong. She is only 3 so she is scared to death they just put an iv in.