The first is that diet pills themselves will make your stool black. If so, the harm should be great.

Second, the common cause of melena is upper gastrointestinal bleeding. If so, you should go to the hospital for a specific examination.

Third: That's toxins and fat in the body, but it's still not recommended to take diet pills. Although you have a slim smile for a short time, it will cause dependence. If you don't eat, you will be constipated. It is better to lose weight healthily.

Suggestion: If you are healthy, don't take diet pills indiscriminately, especially if you buy them yourself.

Still hope to adopt, thank you.