Purple blotches keep showing up on my arms. Doctor isn’t available for weeks. What should I do?


I understand how unsettling it can be to notice unexplained purple blotches on your arms—especially when you can’t see a doctor right away. While many causes are benign, some can signal an underlying issue that needs attention. Here’s a clear, practical guide to help you assess the situation and take safe, supportive steps while you wait for your appointment.


🔍 First: Try to Identify the Type of Blotch

Not all purple marks are the same. Look closely:

Likely Benign (Common & Usually Harmless):

  • Bruises (ecchymosis):
    • Appear after minor bumps you may not remember
    • Start red/purple, then turn yellow/green as they heal
    • Common on forearms in older adults or those on blood thinners
  • Cherry angiomas:
    • Small, bright red to purple raised dots (not flat blotches)
    • Harmless, increase with age
  • Solar purpura (actinic purpura):
    • Flat, purple patches on forearms or hands
    • Common in older adults or after sun damage
    • Skin looks thin, fragile; blotches fade over weeks but may recur

⚠️ Potentially Concerning (Monitor Closely):