He will be perfectly OK, then his head will suddenly fill with fluid, it runs down his throat, and the tickling of his throat by the fluid is what causes the coughing
, which goes then nonstop for 2
-3 hours. Recently a nurse sent us to the ER, and we found that a nebulizer treatment, including a steroid and albuterol, didn't help much, but the A/C in the car did. His doctor has diagnosed RAD, his spirometry showed normal function, and we are waiting to see an allergist.