The most common side effects of tylosin use include pain and inflammation at the injection site and mild gastrointestinal upset, such as decreased appetite and diarrhea.

Does Tylan powder cause diarrhea?

Tylan may also decrease the symptoms by affecting the immune system in the intestine. Side effects that usually are not serious include: Loose stools, mild diarrhea, and stomach upset.

Can tylosin make diarrhea worse?

Side effects of Tylosin

Symptoms such as soreness at site of injection, mild diarrhea, stomach upset, and loss of appetite are considered serious if they worsen, become severe or continue.