A simple blood test or dermatological examination is often enough to determine the cause.
How do doctors make a diagnosis?
Physical examination of stains
Complete blood count (CBC) for platelet count
Liver tests and vitamin levels
Looking for an infection or autoimmune process
In most cases the cause is treatable, but early diagnosis is essential.
Frequently Asked
❓Questions Are small red spots on the arm dangerous?
Some (such as angiomas) are harmless, but others, such as petechiae, can be a sign of serious problems and need to be evaluated.
❓Can stress cause them?
Stress is not a direct cause, but it weakens the immune system and can trigger autoimmune flare-ups associated with skin changes.
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