2. Petechiae (Worth Noticing)
What they are: Tiny red, purple, or brown spots caused by broken capillaries under the skin
- Appearance: Flat, pinprick-sized, don’t blanch (turn white) when pressed
- Causes:
- Straining (coughing, vomiting)
- Injury or pressure
- Certain medications (like blood thinners)
- Infections (rarely, like strep or viral illnesses)
- Low platelet count (thrombocytopenia)
When to be concerned: If they spread, don’t fade, or appear with fever, fatigue, or bruising
3. Heat Rash or Friction
Small red bumps from sweat trapped in pores
- Common in hot, humid weather
- Often itchy or irritated
- Goes away on its own
Common on arms and underarms.
4. Allergic Reaction or Irritation
From soaps, lotions, fabrics, or insect bites
- May be itchy or raised
- Usually resolves once the irritant is removed
Often appears in clusters or patches.
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