1 Pain that does not diminish with rest, and pain that may be worse at night than during the day. 2  Back pain along with constitutional symptoms, such as loss of appetite, unplanned weight loss, nausea, vomiting, or fever, chills or shakes.
Unstable chemicals. Onions produce the chemical irritant known as syn-propanethial-S-oxide. It stimulates the eyes' lachrymal glands so they release tears. Scientists used to blame the enzyme allinase for the instability of substances in a cut onion.
GERD Trigger: Raw Onions. Theyâre a healthy staple in many dishes and salads, but raw onions can do more than bring tears to the eyes of those with GERD. Onions are a common heartburn trigger because they stimulate acid. However, cooking the onions can help put out the fire, Gazzaniga-Moloo says.heyâre a healthy staple in many dishes and salads, but raw onions can do more than bring tears to the eyes of those with GERD. Onions are a common heartburn trigger because they stimulate acid.