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People with sensitive skin may be at risk of eczema flare-ups triggered by wearing a face mask.
Doctors reveal that a 60-year-old man with a history of skin allergies suffered from dermatitis caused by his mask.
After initially struggling to diagnose the root of the problem, doctors realized it was the elastic bands on his face mask that were the cause.
The patient was diagnosed with a case of contact dermatitis, a form of eczema fueled by a reaction to a substance or material.
The American man was put on treatment with prednisone, a regular anti-allergic drug, before the mask problem was spotted.
But it was ineffective, and the man later returned to his doctors with the problem.
After identifying the location on the face to be the same spot as a mask, doctors speculated that the form of PPE could be to blame.
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“We realized that her rash was showing up right where the elastic parts of a mask lay,” said allergist Dr. Kristin Schmidlin, co-author of the article.
“ We cut back on prednisone and advised her to use a topical steroid and a topical immunosuppressant until the rash cleared.
“We also told him to use cotton-based masks, no dye, no elastic. In a follow-up phone visit a week later, the patient said his rash continued to improve.
The tough case study shows that those with elastic bands can lead to breakouts, Dr Dhamija said.
Results are presented at the Annals of Allergy, Asthma & Immunology annual meeting.
It follows recent UK research that identified unprecedented rates of occupational dermatitis among healthcare workers.
Most coverings, including 3-ply and KN95 masks, are made from non-woven materials with a composition resembling felt.
Experts say these materials tend to cause micro-friction damage, causing mild to moderate discomfort, especially in sensitive skin.
The coatings help prevent the transmission of the virus. But wearing them for long periods of time can be uncomfortable and has been linked to acne breakouts.
They can cause other problems for people with skin allergies, Dr. Dhamija said at a virtual meeting of the American College of Allergy, Asthma and Immunology.
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