Armpit Pain: Causes from Lymph Nodes to Skin Conditions

Common Causes

  • Swollen lymph nodes (infection: cold, flu, strep)
  • Deodorant/antiperspirant irritation
  • Friction (shaving, tight clothing)
  • Bacterial/fungal skin infections
  • Muscle strain
  • Allergic reactions
  • Insect bites/stings
  • Hidradenitis suppurativa (chronic abscesses)

Persistent soreness needs medical evaluation for targeted treatment.

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