 [ Symptoms ] is it possible to be allergic to powdered sugar  for about the past five months i have been experiencing times of stomach discomfort on four different occasions now i have awakened to nausea leading to a mid middle of the night vomit every time i have vomited i had consumed powdered sugar the day before my doctor diagnosed me with ibs but i feel that something i am consuming is making me sick has anyone experienced anything like this thank you [ Disease ] hypertrophic cardiomyopathy hcm is an inherited cardiac condition which affects approximately 1 in 500 people it results in abnormal thickening of the heart muscle and increases the risk of symptoms like shortness of breath and dizziness as well as potentially lethal cardiac arrhythmias hcm is the number one cause of sudden death in young athletes