It depends on what you're allergic to, and where you live.
If you have seasonal allergies or hay fever, tree pollens can trigger symptoms in the late winter or spring. Ragweed releases pollen in the summer and fall. The specifics also depend on where you live. Allergy season can start as early as January in Southern states and linger into November.
Do any of these scenarios sound familiar?
You catch a whiff of a co-worker's new fragrance, and within minutes, you
have a whopper of a headache.
You pop open that new bottle of dish-washing liquid, and by the time you've
washed the pots and pans, your hands and arms are covered in hives.
You walk into a friend's home and smell freshly baked pumpkin pie. Only
after you start sneezing uncontrollably and feeling dizzy, weak, and sick to
your stomach do you learn she hasn't been baking...