1. **Sudden appearance**
2. **Severe pain**
3. **Inability to move the foot**
When these occur together—especially in a child—they should never be ignored. Even if the spot “looks harmless,” pain and loss of movement suggest **inflammation, infection, nerve involvement, or circulatory problems**.
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## **What Does “A Huge Spot” Usually Mean Medically?**
Parents often describe a “spot” when they see:
* A **large red or purple area**
* **Swelling**
* **Bruising-like discoloration**
* A **warm or hot area**
* Sometimes a **central mark, blister, or bite-like dot**
Doctors interpret this not just as a “spot,” but as **localized tissue reaction**, which can come from several different causes.
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