Pain that limits movement could indicate:
1. Infection
If a blister becomes infected, the surrounding area can become red, hot, swollen, and extremely painful. Infection can spread to deeper tissues, making movement difficult.
Signs of infection:
Redness spreading beyond the blister
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Warmth to the touch
Pus or yellow/green drainage
Fever
Increasing pain, not decreasing
2. Cellulitis
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This is a bacterial skin infection that can develop rapidly. It causes redness, swelling, warmth, and pain that can make it difficult to use the affected limb.
3. Deep bruising or hematoma
A significant injury could have caused deep tissue damage that’s affecting movement.
4. Insect bite or sting
Some insect bites cause dramatic swelling and pain, especially if there’s an allergic reaction.
5. Gout or inflammatory condition
Though rare in children, sudden intense pain in a joint can sometimes indicate inflammatory conditions.
6. Something pressing on a nerve
Swelling in the foot could be compressing nerves, affecting movement.
When to Seek Emergency Care
You should seek immediate medical attention if:
⚠️ Your daughter cannot move her foot
⚠️ The pain is severe and not improving
⚠️ There’s spreading redness or red streaks
⚠️ The area feels hot to the touch
⚠️ She has a fever
⚠️ She seems confused, lethargic, or unusually ill
⚠️ The spot appeared after a known injury (fall, heavy object, etc.)
Do not wait. Do not “watch and see.” Inability to move a limb combined with severe pain is a red flag.
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