During the day when i ate any preservative food or i ate once WALLNUT in the middle of night MY TONGUE GETS SWOLLEN TO THE EXTENT THAT IT FILLS THE MOUTH I RUSHED TO HOSPITAL AND GET INJETED AVIL + EFFCORLIN(steroid) or DECDEN injection IV. THIS HAS HAPPENED coulple of times. ONCE the same allergic reaction happened in the THROAT and got agin INJECTED AVIL with STEROID.With GARGLES frequently of BETNISOLTab PL SUGGEST any blood test to find out what exactly is cause what exactly is the cause At times when i had 2 drinks of whisky the ALLERGIC reactions happens on HAND gets SWOLLEN with Rash EVEN IT IS DIFFICULT TO CLOSE THE fist. Pl help I AM FED UP OF THIS AND UNABLE TO EAT FOOD,I AM SCARED OF ALERGIC REACTION