Q Once impetigo treatment starts, how long does it usually take for the crusts to fall off and the skin to heal?
A With topical antibiotics, noticeable improvement often begins within 2 to 3 days, and the crusts frequently subside within 5 to 7 days. Even when oral antibiotics are needed, it usually clears within 7 to 10 days. However, if it spreads quickly or deepens, it may take longer.
Detailed Answer
For mild non-bullous impetigo, applying a topical antibiotic for 5 to 7 days brings rapid improvement. If there are multiple lesions, oral antibiotics are needed, or the form is bullous or ecthyma, treatment may take 7 to 10 days or more. If new lesions keep forming even 48 to 72 hours after starting treatment, or if the area instead becomes red and spreads with fever, you should promptly inform the doctor again. After the crusts fall off, a faint pinkish mark may remain briefly, but in most cases it fades without scarring.
Korean Medicine Clinic Perspective
At Dongjedang, once the crusts subside after antibiotic treatment, we add Korean medicine treatment to expel any remaining heat-toxin through clearing heat and resolving toxin and to restore skin immunity. Reinforcing the skin's defenses with vital qi (jeong-gi) tonification even after recovery helps break the cycle of reinfection in the same season.
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