1. Chestnut. Eating beef and chestnuts together can easily cause vomiting.

2. Brown sugar. Eating beef and brown sugar together can easily cause flatulence.

3. Salted vegetables, catfish, and snails. Eating beef with salted vegetables, catfish, and snails will cause poisoning.

4. Liquor. Eating beef and liquor together can cause tooth inflammation.

5. Olives. Eating beef and olives together can easily cause physical discomfort.

6. Honey. Eating rice and honey together can cause stomachache.

7. Red beans. Rice and red beans are cooked together. Eating too much can easily cause oral ulcers.

8. In addition, patients with gastritis and ulcers should eat less curry and should not eat it while taking medication.