What’s making your child’s allergies flare up so badly? As much as the thought may pain you to think about, you have to consider the possibility that allergen agents in the home are making your child feel sick. The good news is that you can easily pinpoint the culprits behind the sniffles, coughs, and sore throats — and eradicating those causes is just as easy. First, pay close attention to the air inside your home. Does it always seem murky? Is it difficult for you to breathe as well? Inspect your box fans and ceiling fans first. Make sure the…