· Treating and preventing bacterial and viral infections In some cases, it can be hard to figure out if a bacterial infection or a viral infection is causing your symptoms. Both … · Bacterial vaginosis can happen at any age. But it's most common during the reproductive years. The changes in hormones during this time make it easier for certain kinds … · Treatment To treat bacterial vaginosis, your doctor may prescribe one of the following medicines: Metronidazole (Flagyl, Metrogel-Vaginal, others). This medicine comes as … · Pink eye is most often caused by a viral infection. It also can be caused by a bacterial infection, an allergic reaction or — in babies — an incompletely opened tear duct. … · Strep throat is a bacterial infection that can make your throat feel sore and scratchy. Strep throat accounts for only a small portion of sore throats. If untreated, strep … · There are two types of peritonitis: Spontaneous bacterial peritonitis. This infection is caused by bacteria. It can happen when someone has liver disease, such as cirrhosis, or … · Acute sinusitis is an infection caused by a virus. The common cold is most often the cause. Sometimes, sinuses that are blocked for a time might get a bacterial infection. · Overview Meningitis is an infection and swelling, called inflammation, of the fluid and membranes around the brain and spinal cord. These membranes are called meninges. … · Lab tests Many infectious diseases have symptoms in common. Samples of body fluids can sometimes point to the particular germ that causes the illness. This helps your care … · Pneumonia is an infection that inflames the air sacs in one or both lungs. The air sacs may fill with fluid or pus (purulent material), causing cough with phlegm or pus, fever, …