new allergies after pregnancy

Ch
Anyone else develop new allergies after being pregnant? I gave birth in December and now that it's mosquito season I'm noticing I'm having terrible reactions to bug bites! Its like my body is reacting to mosquito bites like they're spider bites. They stay red and itchy for days and are almost like turning into rashes. The red spots are wayy larger than they should be and then eventually turn into bruises. Normally they would itch for like maybe thirty minutes and go away but now it's almost like a delayed reaction and 10x worse than normal. This happen to anyone else? Or anything similar? So weird & the only things that have happened since last summer are I've given birth and been diagnosed with fibromyalgia but I don't think it could be the fibromyalgia. 🙄🙄