Exercise and Sports, Hyperglycemia and DKA

Recently diagnosed, my teen son has experienced elevated blood sugars at the start of cross country races. Should he do a corrective dose?

From: Vernal, Utah, USA

Six weeks ago, my 16-year-old son was diagnosed with type 1. He has run cross country since 9th grade. On the day of every race, three so far, his blood sugar has skyrocketed from 228 mg/dl [12.7 mmol/L] to 300 mg/dl [16.7 mmol/L]. This is right before a 3 mile race. Should he dose for a correction or just run? Also, he is complaining of his legs feeling tight and stiff.

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