After Short Cross County Ski Race, Tightness In Chest, Cough

after short cross county ski race, tightness in chest, Cough turned pr oductive, brief feeling of need to vomit, hear rate up- was 102 beats per minute approx 40 min. afterwards. Retaining water 2, 3 and even 5 pounds in 24 four period. Potassium level was high but not in the dangerous zone 3 weeks ago after testing ran for upcoming physical.