Corticosteroids can be injected directly into acne lesions in order, to decrease the inflammation present in the, acne. The result in cases is, most, that acne bumps flatten within 24 - 48 hours. Most dermatologists use a very dilute concentration. Of a corticosteroid medication called triamcinolone for this injection. In rare cases particularly when, higher concentrations. Of triamcinolone are used for, the injections this treatment can cause atrophy (pitting) of the skin. This atrophy is usually. Temporary and nearly always improves without treatment. Topical retinoids can be used to stimulate collagen production in. An attempt to see improvement of atrophy more quickly. Fractional CO2 lasers can also be used for a more dramatic stimulation. Of collagen production for patients, who want improvement of atrophy quickly or who do not see improvement of steroid atrophy. Within 2 - 3 months.
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