question: MY SON WAS RECENTLY DIAGNOSED WITH EXERCISE INDUCED ASTHMA AND RECENTLY WAS SITTING DOWN WITH NO EXERTION WHEN ANOTHER KID CAME UT OF NOWHERE AND PUNCHED HIM IN THE FACE WHEN I WAS CALLED A FEW MIN LATER HE WAS GSPING FOR AIR I CALMED HIM DOWN AND GAVE THE VENTOLIN PUMP. THEN AN AMBUALNCE CAME AND CKED HIS PULSE OX WHICH BOUT 20 MIN LATER WAS NORMAL. I WAS LATER TOLD BY A WITNESS THAT WHEN HE OT HIT HE WAS FOAMING AT THE MOUTH LIKE CLEAR BUBBLES AND SEEM TO BE SHAKING A LITTLE CAN YOU PLEASE SHED SOME LIGHT ON WHAT MAY HAVE HAPPENED. THE INCIDENT WAS WEEKS AGO AND HE HAS BEEN FINE SINCE THEN