M & B CIPRO 500 is a powerful antibiotic medication used to treat a wide range of bacterial infections. It contains Ciprofloxacin, a broad-spectrum antibiotic, meaning it is effective against a wide range of bacteria. It is used to treat infections of the skin, respiratory tract, urinary tract, bones, and joints. It is also used to treat certain sexually transmitted diseases, such as gonorrhea and chlamydia. CIPRO 500 is a tablet that is taken orally, usually twice a day. It is important to take the medication exactly as prescribed by your doctor. Common side effects of CIPRO 500 include nausea, vomiting, diarrhea, and headache. More serious side effects may occur. It is important to contact your doctor immediately if you experience any of these side effects.