Can rats eat onions?
Quick Answer
No
Onions are toxic to rats and can cause serious health problems, including damage to red blood cells.

What Is It?
Onions are a type of vegetable that belong to the Allium family. They are known for their strong smell and taste.
Why It Can Be Risky
Feeding onions to rats poses several risks.
- Onions contain a compound called thiosulphate which is toxic to rats.
- Consumption of onions can lead to a condition called hemolytic anemia, where the red blood cells burst while circulating in their body.
- Onions can also cause gastrointestinal irritation in rats.
Safe Alternatives
- Rats can safely eat a variety of fruits and vegetables such as apples, pears, peas, and carrots.
- Ensure that all food is washed thoroughly to remove any pesticides.