Types of scars, treatment and prevention What is a scar The tissue of a scar is formed by collagen fibers and stroma, fibroblasts and localized mucopolysaccharide deposits. This process starts one month after the injury until the scar is fully matured, which can take up to 1 year or even longer. The current treatment methods are: 1. Intra-dermal injection mainly include corticosteroid, 5-fluorouracil, hyaluronidase, benadryl, etc. 2. Radiotherapy Performed after scar flattening and/or surgery, recommended within 24 hours after surgery to potentially reduce the recurrence rate. 3. Isotope therapy, often in combination with other methods. 4. Surgical excision There are removal of scar nuclei, buried dilators to expand the skin for a period of time and then excise the scar, scar excision in stages, etc.; surgical excision alone, the recurrence rate is basically 100%, and often requires a combination of one or more of local injection, radiotherapy and compression with elastic sleeve to reduce its recurrence rate. 5.The use of elastic sleeve can soften scars and reduce the recurrence rate of scars, etc. 6, medication antihistamine drugs: reduce itching, pain and burning sensation silicone and other scar medicine use: pain, itching and scar size lesions within the calcium channel blockers such as nifedipine, nimodipine, nicardipine oral penicillamine, colchicine topical imiquimod cream photodynamic therapy local injection of cytokines such as interferon, r than alpha-2b efficacy 7, post-treatment can be considered laser for vasodilatation treatment to improve scar color and reduce scar recurrence rate. 8, prevention of scars and scars, try to avoid skin injury, surgery, skin infection, etc.; for scars and scars, early intervention and treatment can often prevent their expansion; diet is best to be light, avoid spicy, drinking and other stimulating foods; for scars and scars, even if the symptoms disappear and scars atrophy after standard treatment, still need long-term follow-up, if the scars have itching and painful discomfort, etc., need to promptly If there is itching and painful discomfort in the scars, it is necessary to consult a doctor; reduce the mechanical, chemical and physical stimulation of the affected area.