Blood pressure medications do not cause cancer, but they have certain side effects and must be used reasonably under the guidance of a doctor. Commonly used blood pressure medicines include metoprolol, bisoprolol, furosemide, spironolactone, nifedipine, felodipine, metoprolol, bisoprolol and so on. These medicines have certain side effects, and dizziness, palpitations, endocrine disorders and other adverse reactions may occur after taking the medicines, but they are not carcinogenic, and as long as the medicines are used reasonably under the guidance of the doctor, they will not have too much impact on health in general. The cause of cancer is not yet completely clear, and it is related to bad living habits, immunodeficiency, ionizing radiation, abnormal hormone levels in the body, etc.; you should maintain good living habits and have regular body checkups, which have a certain effect on the prevention of cancer. If the blood pressure is not well controlled or there are other discomforts, it is recommended to consult a doctor as early as possible to avoid delaying the condition.