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A member asked:
Does 50mg dose of doxycycline taken once daily for a month have a antibacterial effect? or only anti inflammatory? i have had perioral dermatitis for 2 years and am wondering if the antibiotics will kill my gut bacteria or only be anti inflammatory
A doctor has provided 1 answer
50 mg of doxycycline: taken daily is not sufficient to treat infection, probably not sufficient to kill off intestinal bacteria and has minimal anti-inflammatory effect. However, low dose exposure to antibiotics can promote antibiotic resistance. A better approach is intermittent topical steroids, daily multivitamin, skin & lip lubrication and avoiding acidic or spicy food and salted snacks.
Answered 2/24/2017
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