Even if you have high blood pressure that is typically under control, a sinus infection may cause your levels to start increasing. Coincidence? According to cardiologist Robert Segal, M.D., there might actually be a correlation. Dr. Segal continues that some drugs used to treat sinus infections can also raise blood pressure. Therefore, it’s crucial to treat sinus issues in a method that doesn’t cause your high blood pressure, commonly known as hypertension, to rise even higher if you’ve previously received a diagnosis. Read the article.