Feeling "weird" after eating onions is a common experience and is typically caused by a food sensitivity or intolerance, rather than a true allergy. The most common culprits are certain carbohydrates and sulfur compounds that can be difficult for some people to digest.
This discomfort results from certain sugars in onions that the body struggles to digest, causing gas to build up in the gut. Sometimes, individuals might even feel nauseous after eating onions. Typically, symptoms appear within a few hours of eating onions, but they can sometimes take longer to show up.
Onion intolerance can cause symptoms such as bloating, gas, stomach cramps, heartburn, headaches, and skin rash. In more severe cases, it can lead to vomiting or diarrhea. Unlike allergy, onion intolerance doesn't cause immediate symptoms but usually appears several hours after consuming onions.
In most cases, consumption causes gastroenteritis or inflammation of the gastrointestinal tract. Irritation of the mouth, drooling, nausea, abdominal pain, vomiting, and diarrhea may occur. Severe signs occur when the ingestion of Allium spp. causes damage to red blood cell membranes.
Side Effects
Excessive consumption of raw onions may cause bloating, gas, or heartburn in sensitive individuals. Sulfur compounds in onions may lead to strong breath odour and, in rare cases, body odour. Though rare, a few may experience onion allergies leading to skin irritation, eye watering, or stomach issues.
They're rich in chemicals that can help protect your heart, lower your risk of some cancers, and make it easier for your body to make insulin. Onions are also one of the greatest vegetable sources of quercetin, a plant compound with many health benefits.
GARLIC, ONIONS, LEEKS (ALLIUMS): Some of the foods good for a liver detox are alliums (which also include spring onions, chives & shallots).
To get rid of food poisoning fastest, focus on hydration with water, broth, or oral rehydration solutions, get plenty of rest, and avoid dairy, caffeine, spicy, and fatty foods; most cases resolve in a couple of days, but if symptoms are severe or persist, see a doctor. The key is supportive care to prevent dehydration and let your body fight the infection, as antibiotics aren't usually needed.
🧅 We do not recommend keeping cut onions in the refrigerator as they absorb moisture quickly which causes bacteria and mold to grow. You can marinate, pickle, and keep onions soaked in olive oil to preserve it. The oil prevents onion from absorbing moisture.
This is a viral disease caused by onion yellow dwarf virus. It is transmitted mechanically as well as by insect vectors. The symptoms of the disease are severe stunting of the plants, dwarfing and twisting of the flower stalk.
You can be allergic to garlic and not be allergic to onion. But a lot of people experience allergic reactions to both. This is because onion and garlic are both bulbous plants from the allium family. They contain similar proteins, which means your body can react to them similarly.
Onions Are Rich in Sulfur, Which Can Cause Stomach Upset
"If you have an allium or sulfur intolerance or allergy, it can manifest as nausea, cramping, indigestion, diarrhea or even breathing difficulty, itching, hives and/or headache," Foroutan says.
Onions contain more than 25 polyphenol flavonoids, and are also a source of the essential nutrients folate and Vitamin C, which makes them a great addition to your diet to help support good mental health and maintain a positive mood. We all have trillions of microorganisms living inside our digestive tract.
Another way to reduce the severity of the mentioned symptoms is to cook the onions. Furthermore, you can take digestive enzymes to help to alleviate some of these gastrointestinal disturbances caused by raw onions.
A: Chopped or sliced onions can be stored in a sealed container in your refrigerator at the proper temperature of 40°F or below for 7 to 10 days (Source: USDA). For pre-cut fresh or frozen products, always use and follow manufactures “use by” dates.
The garlic gets soft and dries out," he says. The refrigerator, says Temples, is often too cold. "You should always choose the counter over the fridge!" he says. "The cold temperature in the fridge mimics autumn to garlic, and causes it to sprout within a couple weeks.
Unlike potatoes, where the mature plant is toxic to humans, all parts of an onion are safe to eat. So you don't need to worry when you see green sprouts poking out of your produce.
The 4 Cs of food poisoning prevention are Clean, Cook, Chill, and Cross-Contamination (or Separate), which are fundamental guidelines to avoid foodborne illness by ensuring food is handled, prepared, and stored safely to stop bacteria from spreading and growing.
Most people develop diarrhea, fever and stomach (abdominal) cramps within 8 to 72 hours after exposure. Most healthy people recover within a few days to a week without specific treatment. In some cases, diarrhea can cause severe dehydration and requires prompt medical attention.
If you think someone has food poisoning, advise them to lie down and rest. Encourage them to drink plenty of water to prevent dehydration.
Too Much Alcohol
Alcoholic fatty liver, which causes liver inflammation (alcoholic hepatitis), eventual scarring (cirrhosis) and even liver cancer, is a process that begins on as little as four drinks a day for men and two for women. By the time you show symptoms, your liver may be damaged beyond repair.
However, consuming onions in excess or as supplements must be avoided by pregnant and breastfeeding women due to a lack of data on their safety. Some studies suggest that onions may slow blood clotting. Hence, consuming onions as extracts or supplements must be avoided if you have bleeding disorders.