👉 Sulfamethazone, also known as sulfamethoxazole, is a medication used to treat various bacterial infections. It works by inhibiting the growth of bacteria and viruses in the body's tissues. Sulfamethazone is commonly prescribed for treating: - Urinary tract infections (UTIs) - Skin infections - Common colds and flu - Bronchitis - Infections caused by certain types of bacteria, such as meningococcal or strept