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Harmful bacteria from the environment, an infected person or animal, a bug bite or something contaminated (like food, water or surfaces) can cause infections. Bacteria that’s not normally harmful but that gets into a place in your body where it shouldn’t be can also cause infections.
Aug 22, 2023 · Bacterial infections can cause some general symptoms, such as pain, fever, and swollen lymph nodes. They may also cause some other symptoms depending on where in the body they occur.
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Feb 10, 2024 · Bacterial infections occur when harmful bacteria multiply in your body, causing symptoms like fever, headache, chills, coughing, and pain.
Jun 28, 2024 · Bacterial infections are caused by small, single-cell organisms called bacteria that invade the body. These infections are common, and there are many ways you can get them. An overgrowth of harmful bacteria causes a bacterial infection. Different types of bacteria can cause different symptoms.
What causes bacterial infections? Bacterial infections occur when bacteria enter your body. Once in your body they increase in number. This causes an immune reaction in your body. Bacteria can enter your body through: a cut on your skin; eating or drinking contaminated food or water; breathing in droplets from an infected person
- A bacterium is a single, but complex, cell. It can survive on its own, inside or outside the body. Most bacteria aren’t harmful. In fact, we have m...
- The symptoms of a bacterial infection depend on the location of your infection and the type of bacteria involved. There are some general signs of b...
- Bacterial infections occur when bacteria enter your body. Once in your body they increase in number. This causes an immune reaction in your body. B...
- Signs that you have a bacterial infection depend on the type of bacteria and the part of your body that is infected. You should see your doctor if...
- It’s important to seek treatment because untreated bacterial infections can lead to serious problems. For example, an untreated infected cut can ca...
- Serious bacterial infections can be effectively treated with antibiotics. These medicines either kill the bacteria or stop them multiplying. This h...
- Bacterial infections can be highly contagious. Bacterial infections are spread between people through: coughing sneezing vomiting bodily fluids, fr...
Jan 13, 2020 · Causes. Symptoms. Treatment. What is a bacterial infection? A bacterial infection occurs when harmful bacteria enter a person’s body or wound and multiply, causing illness, organ damage, tissue damage, or disease. Bacteria can infect any area of the body.
Mar 5, 2024 · By Mayo Clinic Staff. Germs live everywhere. There are germs, also called microbes, in the air; on food, plants and animals; and in the soil and water. Germs are on just about every surface, including the human body. Most germs cause no harm. The immune system protects against things that cause infections, called infectious agents.
