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My 11-year-old son recently has been having more meltdowns triggered by things that he previously tolerated, lashing out both verbally and physically more than before. He also seems more withdrawn and has been talking even less than usual. There hasn't been any major changes in our lives and he's still ok going to school. I've been reading up on depression and autistic burnout, and I'm wondering if primary school-aged children can get depression and/or autistic burnout; could he be having one or both of these conditions, and what can I do?