Archive · 4 Sep 2025

Side Effects of Eating Raw Onions: What You Should Know

Side Effects of Eating Raw Onions: What You Should Know

Raw onions are eaten worldwide, packed with good stuff like vitamins.

However, they can sometimes cause problems.

Some people might get headaches from a substance in onions called tyramine.

They can also make your breath and body smell bad because of sulfur.

Raw onions can upset your stomach, especially if you have a sensitive tummy.

Some people are allergic and might get a rash or itchy eyes.

Finally, onions can cause heartburn or acid reflux for some.

Sources