I feel your pain. A neuro doc gave me this tip. It has kept me from becoming a hermit. I am now a mouthbreather anytime I'm around perfume. It's my new survival mode. It doesn't always work if the fragrances are heavy or if you stay around it to long. It will help you make a getaway and avoid a migraine most of the time. Breathing the chemicals in perfumes through your mouth can still get to the trigeminal nerve and cause a migraine. Mouthbreathing just gives you a way of escape. You will be able to smell even as you breath through the mouth it just prevents it from entering the brain.View Thread
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