Mizaz 500 is an antibiotic used to treat various types of bacterial infections of the respiratory tract, ear, nose, throat, lungs, skin, and eye in adults and children. It is also effective in typhoid fever and some sexually transmitted diseases like gonorrhea. Commonly seen side effects seen with this medicine include vomiting, nausea, stomach pain, and diarrhea. These are usually temporary and subside with the completion of treatment. Consult your doctor regarding duration, dosage any history of allergy or heart problem or persistence of side effect.