Fevers are often a sign that your body is fighting off some type of bacterial or viral infection. A variety of viral infections can affect humans, from the common cold to the flu. A low-grade fever is a symptom of many viral infections. But some viral infections, such as dengue fever , can cause a higher fever. A viral fever is caused by infection with a virus.
Viruses are very small infectious agents. They infect and multiply within the cells of your body. Many viruses are sensitive to shifts in temperature, so a sudden increase in your body temperature makes you less hospitable to viruses. Both viral and bacterial infections often cause similar symptoms.
To diagnose a viral fever, a doctor will likely start by ruling out a bacterial infection. They can do this by considering your symptoms and medical history, as well as taking any samples to test for bacteria.
If you have a sore throat, for example, they might swab your throat to test for bacteria that causes strep throat. If the sample comes back negative, you likely have a viral infection.
They can also take a sample of blood or other bodily fluid to check for certain markers that might indicate a viral infection, such as your white blood cell count. Along with these symptoms, you may experience muscle weakness myositis and joint and muscle pain myalgia.
During the immune response, white blood cells produce glycoproteins called interleukins. These interleukins cause the symptoms associated with colds, flu, and other bacterial or viral infections. In his post on the MadSci. According to his post, a fierce battle rages inside the body it contracts the flu virus. The immune system sends antibodies to find and bind the influenza receptors. And while nausea had been associated with previous variants of the virus, it might stand out now because more people are picking up on these milder symptoms , Andrew Pekosz , a professor of molecular microbiology and immunology at the Johns Hopkins Bloomberg School of Public Health, told The New York Times.
Research has found that Omicron may infect the lungs less and present more like a respiratory infection, which can cause people to produce phlegm as they cough that can irritate and upset the stomach when swallowed, Pekosz said. A man with joint pain, fatigue, and rashes saw doctors who chalked up his symptoms to morbid obesity. Mike later diagnosed him with Lyme disease. Here's why sore throats and cold symptoms are clues into possible Omicron infections, and how to tell the difference between a cold and COVID, according to medical experts.
Here's why, and what it feels like. The omicron coronavirus symptoms you should watch out for and how to know if you have the omicron variant. Croup is an upper airway infection that obstructs breathing and causes a barking cough.
Exercising can do wonders for your body, but there are some habits in your fitness regimen that could be hurting you both physically and mentally. With expert guidance, I tried a fibroids diet. The results were life changing.
Inflammation involves a series of complex processes that the body uses to fight infections and other irritants in the body. There are many possible causes of body aches, including dehydration and taking certain medications, such as statins. However, body aches are very common and have many possible causes. For instance, people could be experiencing body aches from poor posture or intense exercise. Learn more about having sore muscles after activity here. This sensation could affect one or several body parts and may range from mild to severe.
However, some symptoms may persist for longer. Anything that leads to inflammation could potentially result in body or muscle aches. Common causes of inflammation include :.
Mild body aches could also result from strain on the muscles. For example, sitting with poor posture, exercising intensely, or repeating certain movements could all lead to body aches in specific areas. This is a group of conditions that affect the muscles and bones and may cause body aches.
Learn about the differences between bone pain and muscle pain here. Drinking plenty of fluids and resting is usually sufficient to support recovery. Some people may benefit from taking over-the-counter medications to reduce body and muscle aches.
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