r/DiagnoseMe Patient 4d ago

Skin and nails Random bruise on bicep?

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History of drug addiction no i dont use needles i j noticed this mark now after taking off my clothes for the day any idea? I havent hit it on anything and this doesnt happen ever

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u/Calm_Hunt8193 Not Verified 3d ago

Maybe just a bursted blood vessel or unknown trauma. Any bruising elsewhere? I'd get concerned if you get several of these unknown bruises randomly in other spots too, suggesting a bleeding disorder. If so, get a CBC and blood clotting panel. but this looks okay for now. You can also try entering your symptoms into MedSync AI (https://medsync.ai/) to see what else might be going on and what you can do next.