Hey, Runatic!
Here is a running sensation that rarely makes the motivational posters: you're running, and suddenly your legs start itching.
It even has a name: runner's itch. It can happen to beginners and people returning after a break.
One explanation involves blood vessels responding to exercise and irritating nerve endings. Histamine may also play a part. But itching has other causes, including rubbing clothing, sensitive skin, or a reaction to laundry detergent. A run alone is not a diagnosis.
Build up gradually, and notice whether the itching started with new clothing or detergent. If it persists or gets worse, talk to a doctor. Itching with difficulty breathing or dizziness calls for urgent medical attention. Cleveland Clinic explains
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