Side effects of Leuprolide Acetate Microspheres may include fever, allergy, abnormal electrocardiogram, and hematuria. Leuprolide Acetate Microspheres can be used to treat endometriosis, uterine fibroids, premenopausal breast cancer, and prostate cancer. It has some side effects, with the possibility of abnormalities such as fever, cough, and difficulty in breathing. There is also a possibility of causing allergic reactions with symptoms such as itching and skin rashes. There is also a possibility of increased risk of cardiovascular disease, with abnormal electrocardiograms and increased cardiothoracic ratio. There is also a risk of urinary abnormalities such as hematuria and urinary disorders. However, this drug is contraindicated in patients who are pregnant, breastfeeding, abnormal vaginal bleeding, etc. And this drug needs to be injected subcutaneously with care, if injected intravenously there is a risk of thrombosis. This drug should be used strictly in accordance with the doctor’s instructions, and should not be used in excess. When discomfort occurs, go to the hospital in time.