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.
If you find yourself developing a killer headache when riding an elevator
with someone who was a bit generous dabbing on the perfume, you have company.
More than 2 million Americans have fragrance allergies or sensitivities -- and
the number is on the rise.
Although that person's perfume may have been all too obvious a culprit,
there are many hidden sources of fragrances, says Clifford W. Bassett, MD,
medical director of Allergy & Asthma Care of New York. Bassett helped
WebMD sniff out...