5 side effects of onions that might ruin your health

Allergies: Food allergies are very common and can trigger due to anything, including onions. These allergies usually occur when your immune system reacts to the proteins in certain foods. As per a study published in African Health Sciences, onions, garlic, asparagus, and leeks belong to the Liliaceae family which can cause allergenic cross-reactivity. In other words, you may develop an allergy to onions if you are allergic to any one of them. Image Courtesy: Freepik

Heartburn: The National Institute of Diabetes and Digestive and Kidney Diseases defines heartburn as a symptom of gastroesophageal reflux disease (GERD). A 2000 study published in the journal Nutrition and cancer found that certain foods, including onion, can trigger heartburn symptoms. Image Courtesy: Shutterstock

Eye problems: Have you ever felt a stinging sensation in your eyes while chopping onions? It happens because chopping onions leads to the release of lachrymatory factor (LF), which is a form of sulfur metabolite. When LF reaches your eyes, it can cause irritation and lead to the onion's tear-inducing effect. Image Courtesy: Freepik

Irritable bowel syndrome: IBS is a common gastrointestinal problem that causes serious and painful abdominal symptoms. While foods are not exactly a cause of IBS, foods belonging to the FODMAP diet can trigger its symptoms. Fermentable oligo-, di-, monosaccharides, and polyols. IBS sufferers experience discomfort from these short-chain carbs, which are indigestible and slowly absorbed. Image Courtesy: Freepik

Bad breath: Bad breath is one side effect that would not surprise you. It is one of the most common and immediate side effects of onion is bad breath. Medically known as halitosis, consuming onions can lead to bad breath temporarily. Image Courtesy: Freepik