A viral infection usually causes myocarditis, but it can result from a reaction to a drug or be part of a more general inflammatory condition. Symptoms of Common Respiratory Infections. Sore throat. Most common viral infections, including colds, infect the respiratory tract and generally cause a similar set of symptoms. A few cases may warrant antiviral therapies. Viruses are an uncommon cause of UTIs in an immunocompetent host; however, viruses are increasingly recognized as the cause of lower UTI, especially hemorrhagic cystitis, among immunocompromised patients. Cough. Symptoms can last several weeks. Ear pain. Although many of the viral infections lack specific treatment, the following treatments may be given to manage the severity of symptoms: https://www.webmd.com/a-to-z-guides/bacterial-and-viral-infections With most common viruses and with most healthy adults, viral infections clear without additional treatment. In fact, one study showed that 78% of people with chronic fatigue syndrome had markers of reactivated EBV and almost 50% had increased antibody titers to HHV . Sometimes called blood poisoning, sepsis is the body’s often deadly response to infection. Nausea. Runny nose. Let’s look at the infection and autoimmune link, common viral and bacterial infections linked to autoimmune disease, and how to test for and treat them. Vomiting. What these diseases have in common, aside from viruses, is symptoms like fever and fatigue, which makes you feel miserable. A few cases may warrant antiviral therapies. Fever. Body aches. Viral infections that may be minor in normal, healthy individuals can be quite severe for people who have a weakened immune system. Diarrhea. You may experience some or all of the following if you catch a viral respiratory tract infection: headache, fever, malaise, sore throat, sneezing, coughing and a runny nose. Symptoms of a viral infection are similar to bacterial infections and can include: Fatigue. Viral infections are often treated with supportive care, including management of symptoms . If, however, an individual’s immune system is compromised, a doctor should be called as soon as any symptoms of infection occur. Nasal congestion. Sinus pressure. Signs and symptoms include chest pain, fatigue, shortness of breath, and arrhythmias. Lower urinary tract infections (UTIs) are common among the general population and are most often caused by bacterial pathogens. Most of the time, the treatment of viral infections centers on relieving symptoms until your immune system clears the infection. If it results from a virus and can't be treated with antibiotics, medication can help you feel better as the infection runs its course. One of the main symptoms of chronic viral infections is fatigue. Almost any virus can lead to sepsis. 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