Yes, it is quite possible that these new itchy bumps on your leg are connected to your recent hives. Sometimes, allergic reactions can recur if the underlying trigger is still present in your environment, or it could be a delayed phase of the initial reaction. While Allegra (fexofenadine) helps manage symptoms, it does not prevent new flares if exposure continues. It could also be a localized reaction, like contact dermatitis. Please try to keep the area clean and avoid scratching. If the bumps spread, become painful, or if you develop any swelling or breathing issues, please seek medical evaluation.
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Could the new itchy red bumps on my left leg be connected to the previous allergic hives that I recently treated with Allegra?